Pycom fipy - thilo-hub/Lua-RTOS-ESP32 GitHub Wiki

SD Card (MMC interface):

Signal GPIO
CD/DAT3/CS GPIO13
CLK/SCLK GPIO14
DAT0/DO GPIO2

UART:

Unit Signal GPIO Notes
0 RX GPIO3
TX GPIO1
1 RX
TX
2 RX
TX

SPI:

Unit Signal GPIO Notes
2 MISO
MOSI
CLK
3 MISO GPIO19
MOSI GPIO27
CLK GPIO5

I2C:

Unit Signal GPIO Notes
0 SDA GPIO25
SCL GPIO26
1 SDA
SCL