NodeMCU ESP-32S ESP-WROOM-32E WiFi development board serial port WiFi Bluetooth module Nodemocu is an open source Internet of things platform. It uses Lua scripting language for programming. The platform is based on elua open source project. The platform uses many open source projects, such as Lua cjson and spiffs "Nodemcu-32s" includes firmware that can run on esp32 Wi Fi SOC chip and hardware based on esp-32s module. Node mcu-32s this development board continues the classic design of node MCU 1.0 and leads most L / O to the row pins on both sides. Developers can connect peripherals according to their own needs. When using bread board for development and debugging, the standard needle arrangement on both sides can make the operation more simple and convenient. Product features: 1. Including USB serial port, plug and play 2. 36 gpios, each of which can be configured as PWM, L2C _x000D_