This Arduino library provides easy-to-use functions for interfacing with a 4x4 keypad. The library is designed to be flexible and customizable, making it suitable for various Arduino projects that ...

A simple 4X4 matrix keyboard is connected to a ESP8266 NodeMCU development board. Had both the components lieing around and collecting dust so decided to throw them together in this project. Thats ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

Electrical energy is no longer treated as an unlimited utility. Every watt consumed has a cost impact, an efficiency implication, and in many cases a safety consequence. A smart grid in IoT is not a ...