diff --git a/ports/espressif/boards/lolin_s3_mini/board.c b/ports/espressif/boards/lolin_s3_mini/board.c
new file mode 100644
index 0000000000..9731a30366
--- /dev/null
+++ b/ports/espressif/boards/lolin_s3_mini/board.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 David Sullivan
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
+
+void board_init(void) {
+    // Debug UART
+    #ifdef DEBUG
+    common_hal_never_reset_pin(&pin_GPIO43);
+    common_hal_never_reset_pin(&pin_GPIO44);
+    #endif
+}
+
+// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
diff --git a/ports/espressif/boards/lolin_s3_mini/mpconfigboard.h b/ports/espressif/boards/lolin_s3_mini/mpconfigboard.h
new file mode 100644
index 0000000000..d94cf9adf3
--- /dev/null
+++ b/ports/espressif/boards/lolin_s3_mini/mpconfigboard.h
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 David Sullivan
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Micropython setup
+
+#define MICROPY_HW_BOARD_NAME       "LOLIN S3 MINI 4MB Flash 2MB PSRAM"
+#define MICROPY_HW_MCU_NAME         "ESP32S3"
+
+#define MICROPY_HW_NEOPIXEL (&pin_GPIO47)
+
+// #define MICROPY_HW_LED_STATUS (&pin_GPIO13)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO36)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO35)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO12)
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO11)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO13)
+
+#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
+#define DEFAULT_UART_BUS_TX (&pin_GPIO43)
diff --git a/ports/espressif/boards/lolin_s3_mini/mpconfigboard.mk b/ports/espressif/boards/lolin_s3_mini/mpconfigboard.mk
new file mode 100644
index 0000000000..2a02d7f231
--- /dev/null
+++ b/ports/espressif/boards/lolin_s3_mini/mpconfigboard.mk
@@ -0,0 +1,16 @@
+USB_VID = 0x303a
+USB_PID = 0x8168
+USB_PRODUCT = "LOLIN S3 MINI 4MB Flash 2MB PSRAM"
+USB_MANUFACTURER = "WEMOS"
+
+IDF_TARGET = esp32s3
+
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 80m
+CIRCUITPY_ESP_FLASH_SIZE = 4MB
+
+# OPTIMIZATION_FLAGS = -Os
+CIRCUITPY_ESPCAMERA = 0
+
+# Include these Python libraries in firmware.
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
diff --git a/ports/espressif/boards/lolin_s3_mini/pins.c b/ports/espressif/boards/lolin_s3_mini/pins.c
new file mode 100644
index 0000000000..18a822e6a0
--- /dev/null
+++ b/ports/espressif/boards/lolin_s3_mini/pins.c
@@ -0,0 +1,125 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_BOOT0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO0) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_GPIO1) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_GPIO2) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_GPIO3) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO4), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_GPIO4) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO5), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO5) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO6), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO6) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO7), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_GPIO7) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO8), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_GPIO8) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO9), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_A8), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_GPIO9) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO10), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_A9), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO10) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO11), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_A10), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_GPIO11) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO12), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_A11), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_GPIO12) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO13), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_A12), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_GPIO13) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO14), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_A13), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_D14), MP_ROM_PTR(&pin_GPIO14) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO15), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_A14), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_D15), MP_ROM_PTR(&pin_GPIO15) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO16), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_A15), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_D16), MP_ROM_PTR(&pin_GPIO16) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO17), MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_A16), MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_D17), MP_ROM_PTR(&pin_GPIO17) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO18), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_A17), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_D18), MP_ROM_PTR(&pin_GPIO18) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO21), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_D21), MP_ROM_PTR(&pin_GPIO21) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO33), MP_ROM_PTR(&pin_GPIO33) },
+    { MP_ROM_QSTR(MP_QSTR_D33), MP_ROM_PTR(&pin_GPIO33) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO34), MP_ROM_PTR(&pin_GPIO34) },
+    { MP_ROM_QSTR(MP_QSTR_D34), MP_ROM_PTR(&pin_GPIO34) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO37), MP_ROM_PTR(&pin_GPIO37) },
+    { MP_ROM_QSTR(MP_QSTR_D37), MP_ROM_PTR(&pin_GPIO37) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO38), MP_ROM_PTR(&pin_GPIO38) },
+    { MP_ROM_QSTR(MP_QSTR_D38), MP_ROM_PTR(&pin_GPIO38) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO47), MP_ROM_PTR(&pin_GPIO47) },
+    { MP_ROM_QSTR(MP_QSTR_D47), MP_ROM_PTR(&pin_GPIO47) },
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO47) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO35), MP_ROM_PTR(&pin_GPIO35) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO35) },
+    { MP_ROM_QSTR(MP_QSTR_D35), MP_ROM_PTR(&pin_GPIO35) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO36), MP_ROM_PTR(&pin_GPIO36) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO36) },
+    { MP_ROM_QSTR(MP_QSTR_D36), MP_ROM_PTR(&pin_GPIO36) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO43), MP_ROM_PTR(&pin_GPIO43) },
+    { MP_ROM_QSTR(MP_QSTR_D43), MP_ROM_PTR(&pin_GPIO43) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO43) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO44), MP_ROM_PTR(&pin_GPIO44) },
+    { MP_ROM_QSTR(MP_QSTR_D44), MP_ROM_PTR(&pin_GPIO44) },
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO44) },
+
+    { 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_UART), MP_ROM_PTR(&board_uart_obj) }
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
diff --git a/ports/espressif/boards/lolin_s3_mini/sdkconfig b/ports/espressif/boards/lolin_s3_mini/sdkconfig
new file mode 100644
index 0000000000..c9fa5f3e51
--- /dev/null
+++ b/ports/espressif/boards/lolin_s3_mini/sdkconfig
@@ -0,0 +1,48 @@
+#
+# Component config
+#
+#
+# ESP32S3-Specific
+#
+CONFIG_ESP32S3_SPIRAM_SUPPORT=y
+#
+# SPI RAM config
+#
+CONFIG_SPIRAM_MODE_QUAD=y
+# CONFIG_SPIRAM_MODE_OCT is not set
+# CONFIG_SPIRAM_TYPE_AUTO=y
+# CONFIG_SPIRAM_TYPE_ESPPSRAM16 is not set
+# CONFIG_SPIRAM_TYPE_ESPPSRAM32 is not set
+# CONFIG_SPIRAM_TYPE_ESPPSRAM64 is not set
+CONFIG_SPIRAM_SIZE=2097152
+#
+# PSRAM Clock and CS IO for ESP32S3
+#
+CONFIG_DEFAULT_PSRAM_CLK_IO=30
+CONFIG_DEFAULT_PSRAM_CS_IO=26
+# end of PSRAM Clock and CS IO for ESP32S3
+
+# CONFIG_SPIRAM_FETCH_INSTRUCTIONS is not set
+# CONFIG_SPIRAM_RODATA is not set
+# CONFIG_SPIRAM_SPEED_120M is not set
+# CONFIG_SPIRAM_SPEED_40M=y
+# CONFIG_SPIRAM_SPEED_40M is not set
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_BOOT_INIT=y
+# CONFIG_SPIRAM_IGNORE_NOTFOUND is not set
+CONFIG_SPIRAM_USE_MEMMAP=y
+# CONFIG_SPIRAM_USE_CAPS_ALLOC is not set
+# CONFIG_SPIRAM_USE_MALLOC is not set
+CONFIG_SPIRAM_MEMTEST=y
+# CONFIG_SPIRAM_MODE_OCT=y
+# end of SPI RAM config
+
+# end of ESP32S3-Specific
+
+#
+# LWIP
+#
+CONFIG_LWIP_LOCAL_HOSTNAME="LOLIN-S3-MINI"
+# end of LWIP
+
+# end of Component config