diff --git a/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.h b/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.h
index 6a10db6061..bb8b00f327 100644
--- a/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.h
+++ b/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.h
@@ -30,3 +30,14 @@
 #define MICROPY_HW_MCU_NAME         "ESP32S2"
 
 #define MICROPY_HW_LED_STATUS (&pin_GPIO9)
+#define MICROPY_HW_LED_STATUS_INVERTED (1)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO41)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO40)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO10)
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO11)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO12)
+
+#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
+#define DEFAULT_UART_BUS_TX (&pin_GPIO43)