diff --git a/lib/protomatter b/lib/protomatter
index de6b7704c5..902c16f491 160000
--- a/lib/protomatter
+++ b/lib/protomatter
@@ -1 +1 @@
-Subproject commit de6b7704c530d886ad8dfa0fa1864764d86117ee
+Subproject commit 902c16f49197a8baf5e71ec924a812a86e733a74
diff --git a/locale/ID.po b/locale/ID.po
index 3e47dc9a18..90e416b3b9 100644
--- a/locale/ID.po
+++ b/locale/ID.po
@@ -435,6 +435,11 @@ msgstr "Di bawah frame rate minimum"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Bit clock dan word harus memiliki kesamaan pada clock unit"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Kedalaman bit harus kelipatan 8."
diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index b4445abfbf..0a4303f66a 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -429,6 +429,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr ""
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr ""
diff --git a/locale/cs.po b/locale/cs.po
index 428d6d1fe6..f02d31e4dd 100644
--- a/locale/cs.po
+++ b/locale/cs.po
@@ -433,6 +433,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr ""
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr ""
diff --git a/locale/de_DE.po b/locale/de_DE.po
index 059d726cab..c2cb265508 100644
--- a/locale/de_DE.po
+++ b/locale/de_DE.po
@@ -436,6 +436,11 @@ msgstr "Unterhalb der minimalen Frame Rate"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Bit clock und word select müssen eine clock unit teilen"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Bit depth muss ein Vielfaches von 8 sein."
diff --git a/locale/el.po b/locale/el.po
index 327f4dbe0f..4d7bff1930 100644
--- a/locale/el.po
+++ b/locale/el.po
@@ -428,6 +428,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr ""
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr ""
diff --git a/locale/es.po b/locale/es.po
index 95d6a92ff5..ed7431eb7c 100644
--- a/locale/es.po
+++ b/locale/es.po
@@ -442,6 +442,11 @@ msgstr "Por debajo de taza mínima de refrescamiento"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Bit clock y word select deben compartir una unidad de reloj"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Bits depth debe ser múltiplo de 8."
diff --git a/locale/fil.po b/locale/fil.po
index ce3b5616a3..93f41a88eb 100644
--- a/locale/fil.po
+++ b/locale/fil.po
@@ -433,6 +433,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Ang bit clock at word select dapat makibahagi sa isang clock unit"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Bit depth ay dapat multiple ng 8."
diff --git a/locale/fr.po b/locale/fr.po
index 94ca1f21cf..ff15b527e6 100644
--- a/locale/fr.po
+++ b/locale/fr.po
@@ -442,6 +442,11 @@ msgstr "Inférieur à la fréquence d'images minimale"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "'bit clock' et 'word select' doivent partager une horloge"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "La profondeur de bit doit être un multiple de 8."
diff --git a/locale/hi.po b/locale/hi.po
index d87a1eb9ce..aea2b3f0c4 100644
--- a/locale/hi.po
+++ b/locale/hi.po
@@ -428,6 +428,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr ""
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr ""
diff --git a/locale/it_IT.po b/locale/it_IT.po
index 657c581cef..603cf9fd08 100644
--- a/locale/it_IT.po
+++ b/locale/it_IT.po
@@ -433,6 +433,11 @@ msgid "Bit clock and word select must share a clock unit"
 msgstr ""
 "Clock di bit e selezione parola devono condividere la stessa unità di clock"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "La profondità di bit deve essere multipla di 8."
diff --git a/locale/ja.po b/locale/ja.po
index 7004c49f30..80486dc210 100644
--- a/locale/ja.po
+++ b/locale/ja.po
@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-11-04 21:18+0530\n"
-"PO-Revision-Date: 2020-11-06 20:29+0000\n"
+"PO-Revision-Date: 2020-11-12 22:51+0000\n"
 "Last-Translator: sporeball <sporeballdev@gmail.com>\n"
 "Language-Team: none\n"
 "Language: ja\n"
@@ -16,7 +16,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 4.3.2\n"
+"X-Generator: Weblate 4.4-dev\n"
 
 #: main.c
 msgid ""
@@ -437,6 +437,11 @@ msgstr "最低のフレームレート未満"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "bit clockとword selectはクロックユニットを共有しなければなりません"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "ビット深度は8の倍数でなければなりません"
@@ -2786,7 +2791,7 @@ msgstr ""
 
 #: shared-bindings/wifi/Radio.c
 msgid "invalid hostname"
-msgstr ""
+msgstr "不正なホスト名"
 
 #: extmod/modussl_axtls.c
 msgid "invalid key"
diff --git a/locale/ko.po b/locale/ko.po
index 4b302f3b9f..c9215fb85e 100644
--- a/locale/ko.po
+++ b/locale/ko.po
@@ -433,6 +433,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr ""
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr ""
diff --git a/locale/nl.po b/locale/nl.po
index 6851e6ef32..cfe2193bba 100644
--- a/locale/nl.po
+++ b/locale/nl.po
@@ -435,6 +435,11 @@ msgstr "Onder de minimum frame rate"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Bit clock en word select moeten een clock eenheid delen"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Bit diepte moet een meervoud van 8 zijn."
diff --git a/locale/pl.po b/locale/pl.po
index 54ef4d9185..623acd4c56 100644
--- a/locale/pl.po
+++ b/locale/pl.po
@@ -7,7 +7,7 @@ msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-11-04 21:18+0530\n"
-"PO-Revision-Date: 2020-09-29 01:39+0000\n"
+"PO-Revision-Date: 2020-11-11 19:13+0000\n"
 "Last-Translator: Maciej Stankiewicz <tawezik@gmail.com>\n"
 "Language-Team: pl\n"
 "Language: pl\n"
@@ -16,7 +16,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 "
 "|| n%100>=20) ? 1 : 2;\n"
-"X-Generator: Weblate 4.3-dev\n"
+"X-Generator: Weblate 4.4-dev\n"
 
 #: main.c
 msgid ""
@@ -76,7 +76,7 @@ msgstr "%q poza zakresem"
 
 #: py/obj.c
 msgid "%q indices must be integers, not %q"
-msgstr ""
+msgstr "%q indeksy muszą być liczbami typu int, a nie %q"
 
 #: shared-bindings/vectorio/Polygon.c
 msgid "%q list must be a list"
@@ -104,7 +104,7 @@ msgstr "%q poza zakresem"
 
 #: ports/atmel-samd/common-hal/microcontroller/Pin.c
 msgid "%q pin invalid"
-msgstr ""
+msgstr "nieprawidłowy pin %q"
 
 #: shared-bindings/fontio/BuiltinFont.c
 msgid "%q should be an int"
@@ -254,7 +254,7 @@ msgstr "'return' poza funkcją"
 
 #: py/compile.c
 msgid "'yield from' inside async function"
-msgstr ""
+msgstr "'yield from' wewnątrz funkcji asynchronicznej"
 
 #: py/compile.c
 msgid "'yield' outside function"
@@ -283,7 +283,7 @@ msgstr "Kanał przerwań sprzętowych w użyciu"
 
 #: ports/esp32s2/common-hal/analogio/AnalogIn.c
 msgid "ADC2 is being used by WiFi"
-msgstr ""
+msgstr "ADC2 jest używany przez WiFi"
 
 #: shared-bindings/_bleio/Address.c shared-bindings/ipaddress/IPv4Address.c
 #, c-format
@@ -437,6 +437,11 @@ msgstr ""
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Zegar bitowy i wybór słowa muszą współdzielić jednostkę zegara"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Głębia musi być wielokrotnością 8."
@@ -1033,7 +1038,7 @@ msgstr "Błąd wewnętrzny #%d"
 
 #: shared-bindings/sdioio/SDCard.c
 msgid "Invalid %q"
-msgstr ""
+msgstr "Nieprawidłowe %q"
 
 #: ports/atmel-samd/common-hal/audiobusio/I2SOut.c
 #: ports/atmel-samd/common-hal/audiobusio/PDMIn.c
@@ -1107,7 +1112,7 @@ msgstr "Zła wielkość fragmentu formatu"
 
 #: ports/esp32s2/common-hal/pwmio/PWMOut.c
 msgid "Invalid frequency"
-msgstr ""
+msgstr "Nieprawidłowa częstotliwość"
 
 #: ports/stm/common-hal/pwmio/PWMOut.c
 msgid "Invalid frequency supplied"
@@ -1206,7 +1211,7 @@ msgstr ""
 
 #: shared-module/displayio/Group.c
 msgid "Layer must be a Group or TileGrid subclass."
-msgstr "Layer musi dziedziczyć z Group albo TileGrid"
+msgstr "Layer musi dziedziczyć z Group albo TileGrid."
 
 #: py/objslice.c
 msgid "Length must be an int"
@@ -1344,7 +1349,7 @@ msgstr ""
 
 #: ports/esp32s2/common-hal/pwmio/PWMOut.c
 msgid "No more channels available"
-msgstr ""
+msgstr "Brak dostępnych kanałów"
 
 #: ports/esp32s2/common-hal/pwmio/PWMOut.c
 msgid "No more timers available"
@@ -1436,7 +1441,7 @@ msgstr ""
 
 #: shared-module/displayio/ColorConverter.c
 msgid "Only one color can be transparent at a time"
-msgstr ""
+msgstr "W danym momencie przezroczysty może być tylko jeden kolor"
 
 #: shared-bindings/ipaddress/__init__.c
 msgid "Only raw int supported for ip"
@@ -1505,7 +1510,7 @@ msgstr "Oraz moduły w systemie plików\n"
 
 #: shared-module/vectorio/Polygon.c
 msgid "Polygon needs at least 3 points"
-msgstr ""
+msgstr "Wielokąt musi mieć co najmniej 3 punkty"
 
 #: ports/esp32s2/common-hal/pulseio/PulseOut.c
 msgid ""
@@ -1817,7 +1822,7 @@ msgstr ""
 
 #: ports/stm/common-hal/busio/UART.c
 msgid "UART write error"
-msgstr ""
+msgstr "Błąd zapisu UART"
 
 #: shared-module/usb_hid/Device.c
 msgid "USB Busy"
@@ -2014,7 +2019,7 @@ msgstr "__init__() powinien zwracać None"
 
 #: py/objtype.c
 msgid "__init__() should return None, not '%q'"
-msgstr ""
+msgstr "__init__() powinno zwrócić None, a nie '%q'"
 
 #: py/objobject.c
 msgid "__new__ arg must be a user-type"
@@ -3057,11 +3062,11 @@ msgstr "nie dość argumentów przy formatowaniu"
 
 #: extmod/ulab/code/poly/poly.c
 msgid "number of arguments must be 2, or 3"
-msgstr ""
+msgstr "liczba argumentów musi wynosić 2 lub 3"
 
 #: extmod/ulab/code/ulab_create.c
 msgid "number of points must be at least 2"
-msgstr ""
+msgstr "liczba punktów musi wynosić co najmniej 2"
 
 #: py/obj.c
 msgid "object '%q' is not a tuple or list"
@@ -3374,7 +3379,7 @@ msgstr ""
 
 #: shared-bindings/displayio/Bitmap.c
 msgid "source palette too large"
-msgstr ""
+msgstr "źródłowa paleta jest zbyt duża"
 
 #: py/objstr.c
 msgid "start/end indices"
diff --git a/locale/pt_BR.po b/locale/pt_BR.po
index 99f090dbd2..67b3dc8a7d 100644
--- a/locale/pt_BR.po
+++ b/locale/pt_BR.po
@@ -443,6 +443,11 @@ msgstr ""
 "O clock de bits e a seleção de palavras devem compartilhar uma unidade de "
 "clock"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "A profundidade de bits deve ser o múltiplo de 8."
diff --git a/locale/sv.po b/locale/sv.po
index d9639aff6e..be7eb08946 100644
--- a/locale/sv.po
+++ b/locale/sv.po
@@ -435,6 +435,11 @@ msgstr "Under minsta bildfrekvens"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Bitklocka och ordval måste dela en klockenhet"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Bitdjup måste vara multipel av 8."
diff --git a/locale/zh_Latn_pinyin.po b/locale/zh_Latn_pinyin.po
index c1853a73a5..4ac1c3e1ee 100644
--- a/locale/zh_Latn_pinyin.po
+++ b/locale/zh_Latn_pinyin.po
@@ -7,7 +7,7 @@ msgstr ""
 "Project-Id-Version: circuitpython-cn\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-11-04 21:18+0530\n"
-"PO-Revision-Date: 2020-10-28 21:45+0000\n"
+"PO-Revision-Date: 2020-11-11 19:13+0000\n"
 "Last-Translator: hexthat <hexthat@gmail.com>\n"
 "Language-Team: Chinese Hanyu Pinyin\n"
 "Language: zh_Latn_pinyin\n"
@@ -15,7 +15,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 4.3.2-dev\n"
+"X-Generator: Weblate 4.4-dev\n"
 
 #: main.c
 msgid ""
@@ -304,7 +304,7 @@ msgstr "Suǒyǒu I2C wàiwéi qì zhèngzài shǐyòng"
 
 #: ports/esp32s2/peripherals/pcnt_handler.c
 msgid "All PCNT units in use"
-msgstr ""
+msgstr "suǒ yǒu zhèng zài shǐ yòng zhōng de PCNT dān yuán"
 
 #: ports/atmel-samd/common-hal/canio/Listener.c
 #: ports/esp32s2/common-hal/canio/Listener.c
@@ -437,6 +437,11 @@ msgstr "Dī yú zuìdī zhèng sùlǜ"
 msgid "Bit clock and word select must share a clock unit"
 msgstr "Bǐtè shízhōng hé dānzì xuǎnzé bìxū gòngxiǎng shízhōng dānwèi"
 
+#: shared-bindings/rgbmatrix/RGBMatrix.c
+#, c-format
+msgid "Bit depth must be from 1 to 6 inclusive, not %d"
+msgstr ""
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Bit depth must be multiple of 8."
 msgstr "Bǐtè shēndù bìxū shì 8 bèi yǐshàng."
diff --git a/ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk b/ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk
index 3c0cc07bea..6d2c1379df 100644
--- a/ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk
@@ -12,11 +12,15 @@ EXTERNAL_FLASH_DEVICE_COUNT = 1
 EXTERNAL_FLASH_DEVICES = "GD25Q32C"
 LONGINT_IMPL = MPZ
 
+CIRCUITPY_FULLBUILD = 0
 CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_COUNTIO = 0
-CIRCUITPY_I2CPERIPHERAL = 0
+CIRCUITPY_I2CPERIPHERAL = 1
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_DISPLAYIO = 0
+CIRCUITPY_TOUCHIO = 0
+CIRCUITPY_ROTARYIO = 0
 
 CFLAGS_INLINE_LIMIT = 60
 
diff --git a/ports/atmel-samd/boards/dynossat_edu_eps/pins.c b/ports/atmel-samd/boards/dynossat_edu_eps/pins.c
index a910311d4a..f960e6bb0e 100644
--- a/ports/atmel-samd/boards/dynossat_edu_eps/pins.c
+++ b/ports/atmel-samd/boards/dynossat_edu_eps/pins.c
@@ -4,17 +4,17 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PB11) },
     { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PA12) },
     { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PB10) },
-    { MP_ROM_QSTR(MP_QSTR_D30), MP_ROM_PTR(&pin_PA30) },
-    { MP_ROM_QSTR(MP_QSTR_D31), MP_ROM_PTR(&pin_PA31) },
+    { MP_ROM_QSTR(MP_QSTR_D26), MP_ROM_PTR(&pin_PA30) },
+    { MP_ROM_QSTR(MP_QSTR_D27), MP_ROM_PTR(&pin_PA31) },
     { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PA17) },
     { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_PA07) },
     { MP_ROM_QSTR(MP_QSTR_OVTEMP), MP_ROM_PTR(&pin_PA07) },
     { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PA16) },
     { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA08) },
     { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA09) },
-    { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_PA11) },
     { MP_ROM_QSTR(MP_QSTR_SAT_RESET), MP_ROM_PTR(&pin_PA11) },
-    { MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_PA10) },
     { MP_ROM_QSTR(MP_QSTR_SAT_PWR_ENABLE), MP_ROM_PTR(&pin_PA10) },
     { MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_PA19) },
     { MP_ROM_QSTR(MP_QSTR_INT_IMU_OBC), MP_ROM_PTR(&pin_PA19) },
@@ -22,10 +22,17 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_PWRMON_SDA), MP_ROM_PTR(&pin_PA04) },
     { MP_ROM_QSTR(MP_QSTR_PWRMON_SCL), MP_ROM_PTR(&pin_PA05) },
     { MP_ROM_QSTR(MP_QSTR_PWRMON_ALERT), MP_ROM_PTR(&pin_PB03) },
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PB09) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PB02) },
+    { MP_ROM_QSTR(MP_QSTR_V_3V3_MEAS), MP_ROM_PTR(&pin_PB09) },
+    { MP_ROM_QSTR(MP_QSTR_V_5V_MEAS), MP_ROM_PTR(&pin_PB02) },
+    { MP_ROM_QSTR(MP_QSTR_FLASH_SCK), MP_ROM_PTR(&pin_PA23) },
+    { MP_ROM_QSTR(MP_QSTR_FLASH_MOSI), MP_ROM_PTR(&pin_PA22) },
+    { MP_ROM_QSTR(MP_QSTR_FLASH_MISO), MP_ROM_PTR(&pin_PA21) },
+    { MP_ROM_QSTR(MP_QSTR_FLASH_CS), MP_ROM_PTR(&pin_PA20) },
     { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA06) },
     { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PA06) },
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
-    { MP_ROM_QSTR(MP_QSTR_I2C_MONITOR), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
     { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
 };
diff --git a/ports/atmel-samd/boards/dynossat_edu_obc/pins.c b/ports/atmel-samd/boards/dynossat_edu_obc/pins.c
index a560360f7d..8cc58d92c0 100644
--- a/ports/atmel-samd/boards/dynossat_edu_obc/pins.c
+++ b/ports/atmel-samd/boards/dynossat_edu_obc/pins.c
@@ -26,12 +26,16 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_PB07) },
     { MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_PB06) },
     { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_PB30) },
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_PA12) },
+    { MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_PA15) },
+    { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_PB00) },
     { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA08) },
     { MP_ROM_QSTR(MP_QSTR_D32), MP_ROM_PTR(&pin_PA30) },
     { MP_ROM_QSTR(MP_QSTR_D33), MP_ROM_PTR(&pin_PA31) },
     { MP_ROM_QSTR(MP_QSTR_SD_CS), MP_ROM_PTR(&pin_PB22) },
     { MP_ROM_QSTR(MP_QSTR_INT_IMU), MP_ROM_PTR(&pin_PA12) },
     { MP_ROM_QSTR(MP_QSTR_SAT_POWER), MP_ROM_PTR(&pin_PA15) },
+    { MP_ROM_QSTR(MP_QSTR_OVTEMP), MP_ROM_PTR(&pin_PB00) },
     { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PA08) },
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
diff --git a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h
index 04565feb40..d48c596ace 100644
--- a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h
+++ b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h
@@ -33,6 +33,10 @@
 #define DEFAULT_UART_BUS_RX (&pin_PA11)
 #define DEFAULT_UART_BUS_TX (&pin_PA10)
 
+// These pins are connected to the external crystal.
+#define IGNORE_PIN_PA00     1
+#define IGNORE_PIN_PA01     1
+
 // USB is always used internally so skip the pin objects for it.
 #define IGNORE_PIN_PA24     1
 #define IGNORE_PIN_PA25     1
diff --git a/ports/atmel-samd/common-hal/audiobusio/PDMIn.c b/ports/atmel-samd/common-hal/audiobusio/PDMIn.c
index 21474ab3b1..3c9ec05c25 100644
--- a/ports/atmel-samd/common-hal/audiobusio/PDMIn.c
+++ b/ports/atmel-samd/common-hal/audiobusio/PDMIn.c
@@ -326,7 +326,7 @@ static void setup_dma(audiobusio_pdmin_obj_t* self, uint32_t length,
 // higher sample rate than specified.  Then after the audio is
 // recorded, a more expensive filter non-real-time filter could be
 // used to down-sample and low-pass.
-uint16_t sinc_filter [OVERSAMPLING] = {
+const uint16_t sinc_filter [OVERSAMPLING] = {
     0, 2, 9, 21, 39, 63, 94, 132,
     179, 236, 302, 379, 467, 565, 674, 792,
     920, 1055, 1196, 1341, 1487, 1633, 1776, 1913,
diff --git a/ports/atmel-samd/common-hal/displayio/ParallelBus.c b/ports/atmel-samd/common-hal/displayio/ParallelBus.c
index 405c08c64a..f10dd2993b 100644
--- a/ports/atmel-samd/common-hal/displayio/ParallelBus.c
+++ b/ports/atmel-samd/common-hal/displayio/ParallelBus.c
@@ -129,7 +129,8 @@ bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t obj) {
     return true;
 }
 
-void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
     displayio_parallelbus_obj_t* self = MP_OBJ_TO_PTR(obj);
     common_hal_digitalio_digitalinout_set_value(&self->command, byte_type == DISPLAY_DATA);
     uint32_t* clear_write = (uint32_t*) &self->write_group->OUTCLR.reg;
diff --git a/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/board.c b/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/board.c
index 9f708874bf..ecd44e423c 100644
--- a/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/board.c
+++ b/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/board.c
@@ -26,7 +26,83 @@
 
 #include "boards/board.h"
 #include "mpconfigboard.h"
+#include "shared-bindings/busio/SPI.h"
+#include "shared-bindings/displayio/FourWire.h"
 #include "shared-bindings/microcontroller/Pin.h"
+#include "shared-module/displayio/__init__.h"
+#include "supervisor/shared/board.h"
+
+#define DELAY 0x80
+
+// This is an ILO373 control chip. The display is a 2.9" grayscale EInk.
+
+const uint8_t display_start_sequence[] = {
+    0x01, 5, 0x03, 0x00, 0x2b, 0x2b, 0x13, // power setting
+    0x06, 3, 0x17, 0x17, 0x17, // booster soft start
+    0x04, DELAY, 200, // power on and wait 200 ms
+    0x00, 1, 0x7f, // panel setting
+    0x50, 1, 0x97, // CDI setting
+    0x30, 1, 0x3c, // PLL set to 50 Hx (M = 7, N = 4)
+    0x61, 3, 0x80, 0x01, 0x28, // Resolution
+    0x82, DELAY | 1, 0x12, 50, // VCM DC and delay 50ms
+
+    // Look up tables for voltage sequence for pixel transition
+    // Common voltage
+    0x20, 0x2a,
+    0x00, 0x0a, 0x00, 0x00, 0x00, 0x01,
+    0x60, 0x14, 0x14, 0x00, 0x00, 0x01,
+    0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
+    0x00, 0x13, 0x0a, 0x01, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+    // White to white
+    0x21, 0x2a,
+    0x40, 0x0a, 0x00, 0x00, 0x00, 0x01,
+    0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+    0x10, 0x14, 0x0a, 0x00, 0x00, 0x01,
+    0xa0, 0x13, 0x01, 0x00, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+    // Black to white
+    0x22, 0x2a,
+    0x40, 0x0a, 0x00, 0x00, 0x00, 0x01,
+    0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+    0x00, 0x14, 0x0a, 0x00, 0x00, 0x01,
+    0x99, 0x0c, 0x01, 0x03, 0x04, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+    // White to black
+    0x23, 0x2a,
+    0x40, 0x0a, 0x00, 0x00, 0x00, 0x01,
+    0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+    0x00, 0x14, 0x0a, 0x00, 0x00, 0x01,
+    0x99, 0x0b, 0x04, 0x04, 0x01, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+    // Black to black
+    0x24, 0x2a,
+    0x80, 0x0a, 0x00, 0x00, 0x00, 0x01,
+    0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+    0x20, 0x14, 0x0a, 0x00, 0x00, 0x01,
+    0x50, 0x13, 0x01, 0x00, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+const uint8_t display_stop_sequence[] = {
+    0x50, 0x01, 0x17,  // CDI Setting
+    0x82, 0x01, 0x00,  // VCM DC to -0.1V
+    0x02, 0x00  // Power off
+};
 
 void board_init(void) {
     // USB
@@ -36,6 +112,52 @@ void board_init(void) {
     // Debug UART
     common_hal_never_reset_pin(&pin_GPIO43);
     common_hal_never_reset_pin(&pin_GPIO44);
+
+    busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
+    common_hal_busio_spi_construct(spi, &pin_GPIO36, &pin_GPIO35, NULL);
+    common_hal_busio_spi_never_reset(spi);
+
+    displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
+    bus->base.type = &displayio_fourwire_type;
+    common_hal_displayio_fourwire_construct(bus,
+        spi,
+        &pin_GPIO7, // EPD_DC Command or data
+        &pin_GPIO8, // EPD_CS Chip select
+        &pin_GPIO6, // EPD_RST Reset
+        4000000, // Baudrate
+        0, // Polarity
+        0); // Phase
+
+    displayio_epaperdisplay_obj_t* display = &displays[0].epaper_display;
+    display->base.type = &displayio_epaperdisplay_type;
+    common_hal_displayio_epaperdisplay_construct(
+        display,
+        bus,
+        display_start_sequence, sizeof(display_start_sequence),
+        display_stop_sequence, sizeof(display_stop_sequence),
+        296,  // width
+        128,  // height
+        160,  // ram_width
+        296,  // ram_height
+        0,  // colstart
+        0,  // rowstart
+        270,  // rotation
+        NO_COMMAND,  // set_column_window_command
+        NO_COMMAND,  // set_row_window_command
+        NO_COMMAND,  // set_current_column_command
+        NO_COMMAND,  // set_current_row_command
+        0x10,  // write_black_ram_command
+        false,  // black_bits_inverted
+        0x13,  // write_color_ram_command
+        false,  // color_bits_inverted
+        0x000000,  // highlight_color
+        0x12,  // refresh_display_command
+        1.0,  // refresh_time
+        &pin_GPIO5,  // busy_pin
+        false,  // busy_state
+        5.0, // seconds_per_frame
+        false,  // always_toggle_chip_select
+        true);  // grayscale
 }
 
 bool board_requests_safe_mode(void) {
diff --git a/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c b/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c
index 65bc3fb53b..40c9e91e4d 100644
--- a/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c
+++ b/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c
@@ -1,5 +1,7 @@
 #include "shared-bindings/board/__init__.h"
 
+#include "shared-module/displayio/__init__.h"
+
 STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO10) },
     { MP_ROM_QSTR(MP_QSTR_AD1), MP_ROM_PTR(&pin_GPIO18) },
@@ -37,5 +39,7 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+
+    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)}
 };
 MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);
diff --git a/ports/esp32s2/boards/microdev_micro_s2/mpconfigboard.h b/ports/esp32s2/boards/microdev_micro_s2/mpconfigboard.h
index b87b5dfa08..272ab20fa5 100644
--- a/ports/esp32s2/boards/microdev_micro_s2/mpconfigboard.h
+++ b/ports/esp32s2/boards/microdev_micro_s2/mpconfigboard.h
@@ -25,7 +25,6 @@
  */
 
 //Micropython setup
-
 #define MICROPY_HW_BOARD_NAME       "microS2"
 #define MICROPY_HW_MCU_NAME         "ESP32S2"
 
@@ -33,8 +32,20 @@
 #define MICROPY_HW_BUTTON (&pin_GPIO0)
 #define MICROPY_HW_NEOPIXEL (&pin_GPIO33)
 
+// Default bus pins
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO1)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO2)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO36)
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO35)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO37)
+
+#define DEFAULT_UART_BUS_TX (&pin_GPIO43)
+#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
+
 #define CIRCUITPY_BOOT_BUTTON (&pin_GPIO0)
 
+// Explanation of how a user got into safe mode.
 #define BOARD_USER_SAFE_MODE_ACTION translate("pressing boot button at start up.\n")
 
 #define AUTORESET_DELAY_MS 500
diff --git a/ports/esp32s2/boards/unexpectedmaker_feathers2/mpconfigboard.h b/ports/esp32s2/boards/unexpectedmaker_feathers2/mpconfigboard.h
index 5a885f29ce..b68a31b9e5 100644
--- a/ports/esp32s2/boards/unexpectedmaker_feathers2/mpconfigboard.h
+++ b/ports/esp32s2/boards/unexpectedmaker_feathers2/mpconfigboard.h
@@ -37,3 +37,13 @@
 
 // #define MICROPY_HW_APA102_MOSI   (&pin_GPIO40)
 // #define MICROPY_HW_APA102_SCK    (&pin_GPIO45)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO9)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO8)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO36)
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO35)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO37)
+
+#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
+#define DEFAULT_UART_BUS_TX (&pin_GPIO43)
diff --git a/ports/esp32s2/common-hal/displayio/ParallelBus.c b/ports/esp32s2/common-hal/displayio/ParallelBus.c
index 314b72ff73..d0c98f3611 100644
--- a/ports/esp32s2/common-hal/displayio/ParallelBus.c
+++ b/ports/esp32s2/common-hal/displayio/ParallelBus.c
@@ -57,7 +57,8 @@ bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t obj) {
     return false;
 }
 
-void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type,
+        display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
 
 }
 
diff --git a/ports/esp32s2/peripherals/pcnt.c b/ports/esp32s2/peripherals/pcnt.c
index 555a0ec1d3..dd24569bef 100644
--- a/ports/esp32s2/peripherals/pcnt.c
+++ b/ports/esp32s2/peripherals/pcnt.c
@@ -29,14 +29,20 @@
 #define PCNT_UNIT_ACTIVE    1
 #define PCNT_UNIT_INACTIVE  0
 
-static uint8_t pcnt_state[4];
+static uint8_t pcnt_unit_state[4];
+
+void peripherals_pcnt_reset(void) {
+    for (uint8_t i = 0; i<=3; i++) {
+        pcnt_unit_state[i] = PCNT_UNIT_INACTIVE;
+    }
+}
 
 int peripherals_pcnt_init(pcnt_config_t pcnt_config) {
     // Look for available pcnt unit
     for (uint8_t i = 0; i<=3; i++) {
-        if (pcnt_state[i] == PCNT_UNIT_INACTIVE) {
+        if (pcnt_unit_state[i] == PCNT_UNIT_INACTIVE) {
             pcnt_config.unit = (pcnt_unit_t)i;
-            pcnt_state[i] = PCNT_UNIT_ACTIVE;
+            pcnt_unit_state[i] = PCNT_UNIT_ACTIVE;
             break;
         } else if (i == 3) {
             return -1;
@@ -46,10 +52,6 @@ int peripherals_pcnt_init(pcnt_config_t pcnt_config) {
     // Initialize PCNT unit
     pcnt_unit_config(&pcnt_config);
 
-    // Configure and enable the input filter
-    pcnt_set_filter_value(pcnt_config.unit, 100);
-    pcnt_filter_enable(pcnt_config.unit);
-
     // Initialize PCNT's counter
     pcnt_counter_pause(pcnt_config.unit);
     pcnt_counter_clear(pcnt_config.unit);
@@ -61,6 +63,6 @@ int peripherals_pcnt_init(pcnt_config_t pcnt_config) {
 }
 
 void peripherals_pcnt_deinit(pcnt_unit_t* unit) {
-    pcnt_state[*unit] = PCNT_UNIT_INACTIVE;
+    pcnt_unit_state[*unit] = PCNT_UNIT_INACTIVE;
     *unit = PCNT_UNIT_MAX;
 }
diff --git a/ports/esp32s2/peripherals/pcnt.h b/ports/esp32s2/peripherals/pcnt.h
index abed80fd0c..4fce13f4d6 100644
--- a/ports/esp32s2/peripherals/pcnt.h
+++ b/ports/esp32s2/peripherals/pcnt.h
@@ -31,5 +31,6 @@
 
 extern int peripherals_pcnt_init(pcnt_config_t pcnt_config);
 extern void peripherals_pcnt_deinit(pcnt_unit_t* unit);
+extern void peripherals_pcnt_reset(void);
 
 #endif  // MICROPY_INCLUDED_ESP32S2_PERIPHERALS_PCNT_HANDLER_H
diff --git a/ports/esp32s2/supervisor/port.c b/ports/esp32s2/supervisor/port.c
index 3ea1fafbb8..ef032c4a76 100644
--- a/ports/esp32s2/supervisor/port.c
+++ b/ports/esp32s2/supervisor/port.c
@@ -49,6 +49,7 @@
 #include "shared-bindings/rtc/__init__.h"
 
 #include "peripherals/rmt.h"
+#include "peripherals/pcnt.h"
 #include "components/heap/include/esp_heap_caps.h"
 #include "components/soc/soc/esp32s2/include/soc/cache_memory.h"
 
@@ -117,6 +118,10 @@ void reset_port(void) {
     uart_reset();
 #endif
 
+#if defined(CIRCUITPY_COUNTIO) || defined(CIRCUITPY_ROTARYIO)
+    peripherals_pcnt_reset();
+#endif
+
 #if CIRCUITPY_RTC
     rtc_reset();
 #endif
diff --git a/ports/mimxrt10xx/common-hal/displayio/ParallelBus.c b/ports/mimxrt10xx/common-hal/displayio/ParallelBus.c
index 87a72d0f33..0fdf4413b6 100644
--- a/ports/mimxrt10xx/common-hal/displayio/ParallelBus.c
+++ b/ports/mimxrt10xx/common-hal/displayio/ParallelBus.c
@@ -57,7 +57,8 @@ bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t obj) {
     return false;
 }
 
-void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
 
 }
 
diff --git a/ports/nrf/common-hal/displayio/ParallelBus.c b/ports/nrf/common-hal/displayio/ParallelBus.c
index f13e03163f..31ee1f48e4 100644
--- a/ports/nrf/common-hal/displayio/ParallelBus.c
+++ b/ports/nrf/common-hal/displayio/ParallelBus.c
@@ -141,7 +141,8 @@ bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t obj) {
 }
 
 // This ignores chip_select behaviour because data is clocked in by the write line toggling.
-void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
     displayio_parallelbus_obj_t* self = MP_OBJ_TO_PTR(obj);
     common_hal_digitalio_digitalinout_set_value(&self->command, byte_type == DISPLAY_DATA);
     uint32_t* clear_write = (uint32_t*) &self->write_group->OUTCLR;
diff --git a/ports/stm/common-hal/displayio/ParallelBus.c b/ports/stm/common-hal/displayio/ParallelBus.c
index 314b72ff73..fd07d38af4 100644
--- a/ports/stm/common-hal/displayio/ParallelBus.c
+++ b/ports/stm/common-hal/displayio/ParallelBus.c
@@ -57,7 +57,8 @@ bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t obj) {
     return false;
 }
 
-void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
 
 }
 
diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h
index 08efabddb5..85e152670a 100644
--- a/py/circuitpy_mpconfig.h
+++ b/py/circuitpy_mpconfig.h
@@ -186,7 +186,7 @@ typedef long mp_off_t;
 #define MICROPY_CPYTHON_COMPAT                (CIRCUITPY_FULL_BUILD)
 #define MICROPY_PY_BUILTINS_POW3              (CIRCUITPY_FULL_BUILD)
 #define MICROPY_COMP_FSTRING_LITERAL          (MICROPY_CPYTHON_COMPAT)
-#define MICROPY_MODULE_WEAK_LINKS             (CIRCUITPY_FULL_BUILD)
+#define MICROPY_MODULE_WEAK_LINKS             (0)
 #define MICROPY_PY_ALL_SPECIAL_METHODS        (CIRCUITPY_FULL_BUILD)
 #define MICROPY_PY_BUILTINS_COMPLEX           (CIRCUITPY_FULL_BUILD)
 #define MICROPY_PY_BUILTINS_FROZENSET         (CIRCUITPY_FULL_BUILD)
diff --git a/shared-bindings/displayio/Display.c b/shared-bindings/displayio/Display.c
index 1ed59f2331..8d1a888fe7 100644
--- a/shared-bindings/displayio/Display.c
+++ b/shared-bindings/displayio/Display.c
@@ -58,24 +58,26 @@
 //|         r"""Create a Display object on the given display bus (`FourWire`, `ParallelBus` or `I2CDisplay`).
 //|
 //|         The ``init_sequence`` is bitpacked to minimize the ram impact. Every command begins with a
-//|         command byte followed by a byte to determine the parameter count and if a delay is need after.
-//|         When the top bit of the second byte is 1, the next byte will be the delay time in milliseconds.
-//|         The remaining 7 bits are the parameter count excluding any delay byte. The third through final
-//|         bytes are the remaining command parameters. The next byte will begin a new command definition.
-//|         Here is a portion of ILI9341 init code:
+//|         command byte followed by a byte to determine the parameter count and delay. When the top bit
+//|         of the second byte is 1 (0x80), a delay will occur after the command parameters are sent.
+//|         The remaining 7 bits are the parameter count excluding any delay byte. The bytes following
+//|         are the parameters. When the delay bit is set, a single byte after the parameters specifies
+//|         the delay duration in milliseconds. The value 0xff will lead to an extra long 500 ms delay
+//|         instead of 255 ms. The next byte will begin a new command definition.
+//|         Here is an example:
 //|
 //|         .. code-block:: python
 //|
 //|           init_sequence = (b"\xe1\x0f\x00\x0E\x14\x03\x11\x07\x31\xC1\x48\x08\x0F\x0C\x31\x36\x0F" # Set Gamma
 //|                            b"\x11\x80\x78"# Exit Sleep then delay 0x78 (120ms)
-//|                            b"\x29\x80\x78"# Display on then delay 0x78 (120ms)
+//|                            b"\x29\x81\xaa\x78"# Display on then delay 0x78 (120ms)
 //|                           )
 //|            display = displayio.Display(display_bus, init_sequence, width=320, height=240)
 //|
-//|         The first command is 0xe1 with 15 (0xf) parameters following. The second and third are 0x11 and
-//|         0x29 respectively with delays (0x80) of 120ms (0x78) and no parameters. Multiple byte literals
-//|         (b"") are merged together on load. The parens are needed to allow byte literals on subsequent
-//|         lines.
+//|         The first command is 0xe1 with 15 (0xf) parameters following. The second is 0x11 with 0
+//|         parameters and a 120ms (0x78) delay. The third command is 0x29 with one parameter 0xaa and a
+//|         120ms delay (0x78). Multiple byte literals (b"") are merged together on load. The parens
+//|         are needed to allow byte literals on subsequent lines.
 //|
 //|         The initialization sequence should always leave the display memory access inline with the scan
 //|         of the display to minimize tearing artifacts.
diff --git a/shared-bindings/displayio/EPaperDisplay.c b/shared-bindings/displayio/EPaperDisplay.c
index e0326d9c82..ebff640085 100644
--- a/shared-bindings/displayio/EPaperDisplay.c
+++ b/shared-bindings/displayio/EPaperDisplay.c
@@ -65,11 +65,12 @@
 //|         """Create a EPaperDisplay object on the given display bus (`displayio.FourWire` or `displayio.ParallelBus`).
 //|
 //|         The ``start_sequence`` and ``stop_sequence`` are bitpacked to minimize the ram impact. Every
-//|         command begins with a command byte followed by a byte to determine the parameter count and if
-//|         a delay is need after. When the top bit of the second byte is 1, the next byte will be the
-//|         delay time in milliseconds. The remaining 7 bits are the parameter count excluding any delay
-//|         byte. The third through final bytes are the remaining command parameters. The next byte will
-//|         begin a new command definition.
+//|         command begins with a command byte followed by a byte to determine the parameter count and
+//|         delay. When the top bit of the second byte is 1 (0x80), a delay will occur after the command
+//|         parameters are sent. The remaining 7 bits are the parameter count excluding any delay
+//|         byte. The bytes following are the parameters. When the delay bit is set, a single byte after
+//|         the parameters specifies the delay duration in milliseconds. The value 0xff will lead to an
+//|         extra long 500 ms delay instead of 255 ms. The next byte will begin a new command definition.
 //|
 //|         :param display_bus: The bus that the display is connected to
 //|         :type _DisplayBus: displayio.FourWire or displayio.ParallelBus
@@ -244,6 +245,23 @@ const mp_obj_property_t displayio_epaperdisplay_time_to_refresh_obj = {
               (mp_obj_t)&mp_const_none_obj},
 };
 
+//|     busy: bool
+//|     """True when the display is refreshing. This uses the ``busy_pin`` when available or the
+//|        ``refresh_time`` otherwise."""
+//|
+STATIC mp_obj_t displayio_epaperdisplay_obj_get_busy(mp_obj_t self_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
+    return mp_obj_new_bool(common_hal_displayio_epaperdisplay_get_busy(self));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_epaperdisplay_get_busy_obj, displayio_epaperdisplay_obj_get_busy);
+
+const mp_obj_property_t displayio_epaperdisplay_busy_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&displayio_epaperdisplay_get_busy_obj,
+              (mp_obj_t)&mp_const_none_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
 //|     width: int
 //|     """Gets the width of the display in pixels"""
 //|
@@ -300,6 +318,7 @@ STATIC const mp_rom_map_elem_t displayio_epaperdisplay_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&displayio_epaperdisplay_width_obj) },
     { MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&displayio_epaperdisplay_height_obj) },
     { MP_ROM_QSTR(MP_QSTR_bus), MP_ROM_PTR(&displayio_epaperdisplay_bus_obj) },
+    { MP_ROM_QSTR(MP_QSTR_busy), MP_ROM_PTR(&displayio_epaperdisplay_busy_obj) },
     { MP_ROM_QSTR(MP_QSTR_time_to_refresh), MP_ROM_PTR(&displayio_epaperdisplay_time_to_refresh_obj) },
 };
 STATIC MP_DEFINE_CONST_DICT(displayio_epaperdisplay_locals_dict, displayio_epaperdisplay_locals_dict_table);
diff --git a/shared-bindings/displayio/EPaperDisplay.h b/shared-bindings/displayio/EPaperDisplay.h
index 352de899a9..f785203a41 100644
--- a/shared-bindings/displayio/EPaperDisplay.h
+++ b/shared-bindings/displayio/EPaperDisplay.h
@@ -39,7 +39,7 @@ extern const mp_obj_type_t displayio_epaperdisplay_type;
 #define NO_COMMAND 0x100
 
 void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* self,
-        mp_obj_t bus, uint8_t* start_sequence, uint16_t start_sequence_len, uint8_t* stop_sequence, uint16_t stop_sequence_len,
+        mp_obj_t bus, const uint8_t* start_sequence, uint16_t start_sequence_len, const uint8_t* stop_sequence, uint16_t stop_sequence_len,
         uint16_t width, uint16_t height, uint16_t ram_width, uint16_t ram_height, int16_t colstart, int16_t rowstart, uint16_t rotation,
         uint16_t set_column_window_command, uint16_t set_row_window_command,
         uint16_t set_current_column_command, uint16_t set_current_row_command,
@@ -52,6 +52,7 @@ bool common_hal_displayio_epaperdisplay_show(displayio_epaperdisplay_obj_t* self
 
 // Returns time in milliseconds.
 uint32_t common_hal_displayio_epaperdisplay_get_time_to_refresh(displayio_epaperdisplay_obj_t* self);
+bool common_hal_displayio_epaperdisplay_get_busy(displayio_epaperdisplay_obj_t* self);
 
 uint16_t common_hal_displayio_epaperdisplay_get_width(displayio_epaperdisplay_obj_t* self);
 uint16_t common_hal_displayio_epaperdisplay_get_height(displayio_epaperdisplay_obj_t* self);
diff --git a/shared-bindings/displayio/FourWire.h b/shared-bindings/displayio/FourWire.h
index ac186d2c3e..6f6b528e72 100644
--- a/shared-bindings/displayio/FourWire.h
+++ b/shared-bindings/displayio/FourWire.h
@@ -48,7 +48,8 @@ bool common_hal_displayio_fourwire_bus_free(mp_obj_t self);
 
 bool common_hal_displayio_fourwire_begin_transaction(mp_obj_t self);
 
-void common_hal_displayio_fourwire_send(mp_obj_t self, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length);
+void common_hal_displayio_fourwire_send(mp_obj_t self, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length);
 
 void common_hal_displayio_fourwire_end_transaction(mp_obj_t self);
 
diff --git a/shared-bindings/displayio/I2CDisplay.h b/shared-bindings/displayio/I2CDisplay.h
index bae53c4914..37520202e4 100644
--- a/shared-bindings/displayio/I2CDisplay.h
+++ b/shared-bindings/displayio/I2CDisplay.h
@@ -44,7 +44,8 @@ bool common_hal_displayio_i2cdisplay_bus_free(mp_obj_t self);
 
 bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t self);
 
-void common_hal_displayio_i2cdisplay_send(mp_obj_t self, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length);
+void common_hal_displayio_i2cdisplay_send(mp_obj_t self, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length);
 
 void common_hal_displayio_i2cdisplay_end_transaction(mp_obj_t self);
 
diff --git a/shared-bindings/displayio/ParallelBus.h b/shared-bindings/displayio/ParallelBus.h
index be2aef7d44..1e74e3a0ac 100644
--- a/shared-bindings/displayio/ParallelBus.h
+++ b/shared-bindings/displayio/ParallelBus.h
@@ -46,7 +46,8 @@ bool common_hal_displayio_parallelbus_bus_free(mp_obj_t self);
 
 bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t self);
 
-void common_hal_displayio_parallelbus_send(mp_obj_t self, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length);
+void common_hal_displayio_parallelbus_send(mp_obj_t self, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length);
 
 void common_hal_displayio_parallelbus_end_transaction(mp_obj_t self);
 
diff --git a/shared-bindings/displayio/__init__.h b/shared-bindings/displayio/__init__.h
index a7748d029a..4fc666c598 100644
--- a/shared-bindings/displayio/__init__.h
+++ b/shared-bindings/displayio/__init__.h
@@ -42,7 +42,8 @@ typedef enum {
 typedef bool (*display_bus_bus_reset)(mp_obj_t bus);
 typedef bool (*display_bus_bus_free)(mp_obj_t bus);
 typedef bool (*display_bus_begin_transaction)(mp_obj_t bus);
-typedef void (*display_bus_send)(mp_obj_t bus, display_byte_type_t byte_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length);
+typedef void (*display_bus_send)(mp_obj_t bus, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length);
 typedef void (*display_bus_end_transaction)(mp_obj_t bus);
 
 void common_hal_displayio_release_displays(void);
diff --git a/shared-bindings/rgbmatrix/RGBMatrix.c b/shared-bindings/rgbmatrix/RGBMatrix.c
index 753c1c9203..5f5ea4fae7 100644
--- a/shared-bindings/rgbmatrix/RGBMatrix.c
+++ b/shared-bindings/rgbmatrix/RGBMatrix.c
@@ -197,6 +197,11 @@ STATIC mp_obj_t rgbmatrix_rgbmatrix_make_new(const mp_obj_type_t *type, size_t n
     uint8_t clock_pin = validate_pin(args[ARG_clock_pin].u_obj);
     uint8_t latch_pin = validate_pin(args[ARG_latch_pin].u_obj);
     uint8_t output_enable_pin = validate_pin(args[ARG_output_enable_pin].u_obj);
+    int bit_depth = args[ARG_bit_depth].u_int;
+
+    if (bit_depth <= 0 || bit_depth > 6) {
+        mp_raise_ValueError_varg(translate("Bit depth must be from 1 to 6 inclusive, not %d"), bit_depth);
+    }
 
     validate_pins(MP_QSTR_rgb_pins, rgb_pins, MP_ARRAY_SIZE(self->rgb_pins), args[ARG_rgb_list].u_obj, &rgb_count);
     validate_pins(MP_QSTR_addr_pins, addr_pins, MP_ARRAY_SIZE(self->addr_pins), args[ARG_addr_list].u_obj, &addr_count);
@@ -229,7 +234,7 @@ STATIC mp_obj_t rgbmatrix_rgbmatrix_make_new(const mp_obj_type_t *type, size_t n
 
     common_hal_rgbmatrix_rgbmatrix_construct(self,
         args[ARG_width].u_int,
-        args[ARG_bit_depth].u_int,
+        bit_depth,
         rgb_count, rgb_pins,
         addr_count, addr_pins,
         clock_pin, latch_pin, output_enable_pin,
diff --git a/shared-module/displayio/ColorConverter.c b/shared-module/displayio/ColorConverter.c
index 03ec99ceb1..80558d037a 100644
--- a/shared-module/displayio/ColorConverter.c
+++ b/shared-module/displayio/ColorConverter.c
@@ -55,7 +55,7 @@ uint8_t displayio_colorconverter_compute_luma(uint32_t color_rgb888) {
     uint32_t r8 = (color_rgb888 >> 16);
     uint32_t g8 = (color_rgb888 >> 8) & 0xff;
     uint32_t b8 = color_rgb888 & 0xff;
-    return (r8 * 19) / 255 + (g8 * 182) / 255 + (b8 + 54) / 255;
+    return (r8 * 19 + g8 * 182 + b8 * 54) / 255;
 }
 
 uint8_t displayio_colorconverter_compute_chroma(uint32_t color_rgb888) {
diff --git a/shared-module/displayio/EPaperDisplay.c b/shared-module/displayio/EPaperDisplay.c
index 514b99a13b..1b285b4b1d 100644
--- a/shared-module/displayio/EPaperDisplay.c
+++ b/shared-module/displayio/EPaperDisplay.c
@@ -43,7 +43,8 @@
 #include <string.h>
 
 void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* self,
-        mp_obj_t bus, uint8_t* start_sequence, uint16_t start_sequence_len, uint8_t* stop_sequence, uint16_t stop_sequence_len,
+        mp_obj_t bus, const uint8_t* start_sequence, uint16_t start_sequence_len,
+        const uint8_t* stop_sequence, uint16_t stop_sequence_len,
         uint16_t width, uint16_t height, uint16_t ram_width, uint16_t ram_height,
         int16_t colstart, int16_t rowstart, uint16_t rotation,
         uint16_t set_column_window_command, uint16_t set_row_window_command,
@@ -133,14 +134,15 @@ STATIC void wait_for_busy(displayio_epaperdisplay_obj_t* self) {
     }
 }
 
-STATIC void send_command_sequence(displayio_epaperdisplay_obj_t* self, bool should_wait_for_busy, uint8_t* sequence, uint32_t sequence_len) {
+STATIC void send_command_sequence(displayio_epaperdisplay_obj_t* self,
+        bool should_wait_for_busy, const uint8_t* sequence, uint32_t sequence_len) {
     uint32_t i = 0;
     while (i < sequence_len) {
-        uint8_t *cmd = sequence + i;
+        const uint8_t *cmd = sequence + i;
         uint8_t data_size = *(cmd + 1);
         bool delay = (data_size & DELAY) != 0;
         data_size &= ~DELAY;
-        uint8_t *data = cmd + 2;
+        const uint8_t *data = cmd + 2;
         displayio_display_core_begin_transaction(&self->core);
         self->core.send(self->core.bus, DISPLAY_COMMAND, self->chip_select, cmd, 1);
         self->core.send(self->core.bus, DISPLAY_DATA, self->chip_select, data, data_size);
@@ -358,6 +360,11 @@ void displayio_epaperdisplay_background(displayio_epaperdisplay_obj_t* self) {
     }
 }
 
+bool common_hal_displayio_epaperdisplay_get_busy(displayio_epaperdisplay_obj_t* self) {
+    displayio_epaperdisplay_background(self);
+    return self->refreshing;
+}
+
 void release_epaperdisplay(displayio_epaperdisplay_obj_t* self) {
     if (self->refreshing) {
         wait_for_busy(self);
@@ -375,8 +382,8 @@ void release_epaperdisplay(displayio_epaperdisplay_obj_t* self) {
 
 void displayio_epaperdisplay_collect_ptrs(displayio_epaperdisplay_obj_t* self) {
     displayio_display_core_collect_ptrs(&self->core);
-    gc_collect_ptr(self->start_sequence);
-    gc_collect_ptr(self->stop_sequence);
+    gc_collect_ptr((void *) self->start_sequence);
+    gc_collect_ptr((void *) self->stop_sequence);
 }
 
 bool maybe_refresh_epaperdisplay(void) {
diff --git a/shared-module/displayio/EPaperDisplay.h b/shared-module/displayio/EPaperDisplay.h
index 4103fe5fce..d0668ff444 100644
--- a/shared-module/displayio/EPaperDisplay.h
+++ b/shared-module/displayio/EPaperDisplay.h
@@ -38,9 +38,9 @@ typedef struct {
     displayio_display_core_t core;
     digitalio_digitalinout_obj_t busy;
     uint32_t milliseconds_per_frame;
-    uint8_t* start_sequence;
+    const uint8_t* start_sequence;
     uint32_t start_sequence_len;
-    uint8_t* stop_sequence;
+    const uint8_t* stop_sequence;
     uint32_t stop_sequence_len;
     uint16_t refresh_time;
     uint16_t set_column_window_command;
diff --git a/shared-module/displayio/FourWire.c b/shared-module/displayio/FourWire.c
index 8c56d7ab60..06f8a84e35 100644
--- a/shared-module/displayio/FourWire.c
+++ b/shared-module/displayio/FourWire.c
@@ -113,7 +113,8 @@ bool common_hal_displayio_fourwire_begin_transaction(mp_obj_t obj) {
     return true;
 }
 
-void common_hal_displayio_fourwire_send(mp_obj_t obj, display_byte_type_t data_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_fourwire_send(mp_obj_t obj, display_byte_type_t data_type,
+        display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
     displayio_fourwire_obj_t* self = MP_OBJ_TO_PTR(obj);
     common_hal_digitalio_digitalinout_set_value(&self->command, data_type == DISPLAY_DATA);
     if (chip_select == CHIP_SELECT_TOGGLE_EVERY_BYTE) {
diff --git a/shared-module/displayio/I2CDisplay.c b/shared-module/displayio/I2CDisplay.c
index 5bd03dcd65..cc811e83d7 100644
--- a/shared-module/displayio/I2CDisplay.c
+++ b/shared-module/displayio/I2CDisplay.c
@@ -103,7 +103,8 @@ bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) {
     return common_hal_busio_i2c_try_lock(self->bus);
 }
 
-void common_hal_displayio_i2cdisplay_send(mp_obj_t obj, display_byte_type_t data_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
+void common_hal_displayio_i2cdisplay_send(mp_obj_t obj, display_byte_type_t data_type,
+        display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) {
     displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj);
     if (data_type == DISPLAY_COMMAND) {
         uint8_t command_bytes[2 * data_length];
diff --git a/supervisor/shared/usb/usb_msc_flash.c b/supervisor/shared/usb/usb_msc_flash.c
index 7532b6aead..b39f60dcd2 100644
--- a/supervisor/shared/usb/usb_msc_flash.c
+++ b/supervisor/shared/usb/usb_msc_flash.c
@@ -39,7 +39,7 @@
 
 #define MSC_FLASH_BLOCK_SIZE    512
 
-static bool ejected[1] = {true};
+static bool ejected[1] = {false};
 
 void usb_msc_mount(void) {
     // Reset the ejection tracking every time we're plugged into USB. This allows for us to battery