Description
NodeMCU is an open-source Lua based firmware and development board specially targeted for IoT based Applications. It includes firmware that runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module.
GPIO Pins: GPIO1 to GPIO16
UART Pins: TXD0, RXD0, TXD2, RXD2
SPI Pins: SD1, CMD, SD0, CLK
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