diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040/mpconfigboard.h b/ports/raspberrypi/boards/pimoroni_plasma2040/mpconfigboard.h
index 967267a8b4..6d1e137906 100644
--- a/ports/raspberrypi/boards/pimoroni_plasma2040/mpconfigboard.h
+++ b/ports/raspberrypi/boards/pimoroni_plasma2040/mpconfigboard.h
@@ -1,13 +1,26 @@
 #define MICROPY_HW_BOARD_NAME "Pimoroni Plasma 2040"
 #define MICROPY_HW_MCU_NAME "rp2040"
 
+#define MICROPY_HW_SW_A (&pin_GPIO12)
+#define MICROPY_HW_SW_B (&pin_GPIO13)
+
+#define MICROPY_HW_CLK (&pin_GPIO14)
+#define MICROPY_HW_DATA (&pin_GPIO15)
+
 #define CIRCUITPY_RGB_STATUS_INVERTED_PWM
 #define CIRCUITPY_RGB_STATUS_R (&pin_GPIO16)
 #define CIRCUITPY_RGB_STATUS_G (&pin_GPIO17)
 #define CIRCUITPY_RGB_STATUS_B (&pin_GPIO18)
 
+#define MICROPY_HW_I2C_INT (&pin_GPIO19)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO21)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO20)
+
 #define MICROPY_HW_USER_SW (&pin_GPIO23)
 
+#define MICROPY_HW_CURRENT_SENSE (&pin_GPIO29)
+
 // These pins are unconnected
 #define IGNORE_PIN_GPIO0    1
 #define IGNORE_PIN_GPIO1    1
diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040/pins.c b/ports/raspberrypi/boards/pimoroni_plasma2040/pins.c
index 799683378c..e4e686da9d 100644
--- a/ports/raspberrypi/boards/pimoroni_plasma2040/pins.c
+++ b/ports/raspberrypi/boards/pimoroni_plasma2040/pins.c
@@ -5,15 +5,20 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_SW_B), MP_ROM_PTR(&pin_GPIO13) },
 
     { MP_ROM_QSTR(MP_QSTR_CLK), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_GP14), MP_ROM_PTR(&pin_GPIO14) },
     { MP_ROM_QSTR(MP_QSTR_DATA), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_GP15), MP_ROM_PTR(&pin_GPIO15) },
 
     { MP_ROM_QSTR(MP_QSTR_LED_R), MP_ROM_PTR(&pin_GPIO16) },
     { MP_ROM_QSTR(MP_QSTR_LED_G), MP_ROM_PTR(&pin_GPIO17) },
     { MP_ROM_QSTR(MP_QSTR_LED_B), MP_ROM_PTR(&pin_GPIO18) },
 
     { MP_ROM_QSTR(MP_QSTR_INT), MP_ROM_PTR(&pin_GPIO19) },
+    { MP_ROM_QSTR(MP_QSTR_GP19), MP_ROM_PTR(&pin_GPIO19) },
     { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_GP20), MP_ROM_PTR(&pin_GPIO20) },
     { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_GP21), MP_ROM_PTR(&pin_GPIO21) },
 
     { MP_ROM_QSTR(MP_QSTR_USER_SW), MP_ROM_PTR(&pin_GPIO23) },
 
@@ -29,7 +34,6 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_GP28), MP_ROM_PTR(&pin_GPIO28) },
     { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) },
 
-    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) },
     { MP_ROM_QSTR(MP_QSTR_CURRENT_SENSE), MP_ROM_PTR(&pin_GPIO29) },
 
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },