Nodemcu ESP8266 Pinout, Specs, Versions with detailed board layout

Nodemcu Esp8266 Pinout, specs and detail board layout

NodeMCU esp8266 wifi module is an open-source, low-cost, low-power MCU(microcontroller unit) development board. It has 17 GPIO pins(11 are Digital I/O pins), out of which one pin is an analog pin, 4 pins support PWM, 2 pairs are for UART(UART0 and UART1), and supports 1x SPI and 1x I2C protocol. NodeMCU ESP8266 has 128Kb of … Read more