ESP8266, NodeMCU GPIOs, ESP-12 modules ,ESP-12 pins, ESP8266 datasheet, Main functions for GPIO in the Arduino IDE, Departments:Electrical EngineeringElectronics EngineeringMicrocontrollers:ESP8266Codings:Arduino CSoftwares:Arduino IDE Where To Buy?No.ComponentsDistributorLink To Buy1ESP8266AmazonBuy NowIntroduction When the subject is ESP8266, it is normal that our attention is on the Wifi module. We've already ...