Nodemcu-32s Lua WiFi Internet Development Board Serial Port Module Is Based

NodeMCU-32S Lua WiFi Internet Development Board Serial Port Module is based 
FCC & CE certified WiFi module with built-in antenna
 
NodeMCU is an open source networking platform. It is programmed using the Lua scripting language. The platform is based on eLua open source projects. "NodeMCU-32S" is based on the ESP-32S module. The platform uses a number of open source projects, such as lua-cjson, spiffs. "NodeMCU-32S" contains firmware that can run on ESP32 Wi-Fi SoC chips and hardware based on ESP-32S modules. ESP32 is the WiFi + Bluetooth chip developed by Shanghai Espressif, which aims to provide access network for embedded products.