I2C LCD Archives - miliohm.com

arduino sensor

Keypad with arduino tutorial

In this tutorial, we will learn about Keypad. I will explain how it works, how to use it with an Arduino, then display the key…

arduino D.I.Y sensor

In this tutorial, I’ll explain how an optocoupler works and how to build a tachometer or rpm counter using an optocoupler with Arduino.

arduino

Connecting LCD with Arduino used to be complicated enough since it has many wires. And we also need to use a potentiometer to dim the…