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.