This guide shows how to control the ESP32 or ESP8266 NodeMCU GPIOs from anywhere in the world using Telegram. As an example, we’ll control a LED, but you can control any other output. You just need to ...

Microcontrollers Arduino UNO: A general-purpose microcontroller board used to control sensors and relays, manage input/output devices, and process automation logic. NodeMCU ESP8266: A microcontroller ...

Have an ESP8266 development board such as the NodeMCU or Wemos D1? You’re currently reading Hackaday, so probably. Got an Android device kicking around? Also seems fairly likely. In that case, you ...