Each Feather HUZZAH ESP8266 breakout comes pre-programmed with NodeMCU's Lua interpretter. As of this writing, we ship with '''NodeMCU 0.9.5 build 20150318 powered by Lua 5.1.4''' but it may be more recent | Each Feather HUZZAH ESP8266 breakout comes pre-programmed with NodeMCU's Lua interpretter. As of this writing, we ship with '''NodeMCU 0.9.5 build 20150318 powered by Lua 5.1.4''' but it may be more recent |