Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR ...

You can build something cheaper and more customizable with an ESP32 or a Raspberry Pi, and that's what I did. It's beautiful, it's easy, and incredibly versatile. If you want to get started, I'll be ...

Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...