ZHAOYAO ESP8266 Serial WiFi Module NodeMcu Lua WIFI V3 Development Board ESP-12E CH340 with PCB Antenna and USB Port


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Overview and Specifications:

NodeMcu is a tiny board, based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board.
It's a lua based firmware for wifi-soc esp8266

Build on ESP8266 sdk
Lua core based on eLua project
cjson based on lua-cjson
File system based on spiffs

Easy to access wireless router
Based on Lua 5.1.4 (without debug, os module.)
Event-Drive programming preferred.
Build-in json, file, timer, pwm, i2c, spi, 1-wire, net, mqtt, coap, gpio, wifi, adc, uart and system api.
GPIO pin re-mapped, use the index to access gpio, i2c, pwm.
Both Integer version(less memory usage) and Float version(Default) firmware provided.