Hi, Could someone please explain if I (naively) loaded NODEMCU on my ESP8266 wifi shield can I revert it back to normal SDK firmware to run AT Commands ? Background. Bought a clone ESP8266 WIFI shield (UNO/MEGA) with the 4 pin dip switch and references non existing website elecshop.ml . Long stor…

ESP8266 WIFI Shield - Switch from LUA to AT Commands

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