NC1USB_D-2USB_D+3GPIO33/NC4GPIO34/NC5GPIO44/UART0_RX6GPIO43/UART1_TX7GPIO35/NC8GPIO36/NC9GPIO37/NC10GPIO3811GPIO3912GPIO40/I2C1_SCL13GND14RF_WiFi15GND16RESET17GPIO4118GPIO4219VDD20VDD21GND22GPIO4523GPIO0/Boot24GPIO4625GPIO126GPIO227GPIO9/I2C1_SDA28GPIO4/NC29GPIO10/SPI_MISO30GPIO11/SPI_MOSI31GPIO12/SPI_CS32GPIO13/SPI_SCK33GPIO14/AIN134GND35GND36RF_LoRa37GND38GPIO18/I2C2_SCL39GPIO17/I2C2_SDA40GPIO21/AIN041GND42NC43NC44