![]() ![]() ![]() USB-TTL based on CP2102 is included onboard, Enabling Plug n Play.Microcontroller: Tensilica 32-bit RISC CPU Xtensa LX106.NodeMCU ESP8266 Specifications & Features NodeMCU has I2C functionality support but due to the internal functionality of these pins, you have to find which pin is I2C. UART1 is used to upload the firmware/program. NodeMCU has two UART interfaces, UART0 (RXD0 & TXD0) and UART1 (RXD1 & TXD1). NodeMCU has four pins available for SPI communication. NodeMCU has 16 general purpose input-output pins on its board Used to measure analog voltage in the range of 0-3.3V ![]() The pin and the button resets the microcontroller Micro-USB: NodeMCU can be powered through the USB portģ.3V: Regulated 3.3V can be supplied to this pin to power the board NodeMCU Development Board Pinout Configuration 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. ![]()
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