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…
View More Keypad with arduino tutorial
Tag: I2C LCD
Build Tachometer or RPM counter using Optocoupler with Arduino
In this tutorial, I’ll explain how an optocoupler works and how to build a tachometer or rpm counter using an optocoupler with Arduino.
View More Build Tachometer or RPM counter using Optocoupler with Arduino
How to use I2C LCD Backpack and how to use multiple LCD with 1 arduino Tutorial
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…
View More How to use I2C LCD Backpack and how to use multiple LCD with 1 arduino Tutorial