Circuit Diagram

The best resource for tech and electronics projects, tutorials and reviews

Latest Posts

I Tried 3 New Hats For The Raspberry Pi 5

Michael Klements - October 2, 2024 0

Today we've got three new hats for the Raspberry Pi 5 that we will be trying out. I've used variants of each of these...

Beelink EX Docking Station For The GTi 14 Ultra

Michael Klements - September 25, 2024 2

A couple of weeks ago, I tested the Beelink GTi 14 Ultra, a powerful mini PC with a full-size PCIe port underneath it. At...

I Tried The New TerraMaster F8 SSD Plus, Is It Any Good?

Michael Klements - September 18, 2024 0

A few months ago I built an all-SSD NAS using a Raspberry Pi 5 and a quad-SATA hat from Radxa. By adding a 2.5Gb...

I Built A 4-Bay Raspberry Pi 5 Based NAS

Michael Klements - May 15, 2024 21

Last year, I built a Pi-based NAS as cheaply as possible using a Raspberry Pi Zero 2W. It was a great project to learn...

Recondition a Lead Acid Battery, Don’t Buy A New One

Michael Klements - May 12, 2016 146

Lead acid batteries often die due to an accumulation of lead sulphate crystals on the plates inside the battery, fortunately, you can recondition your...

Multiple Push Buttons on One Arduino Input

Michael Klements - May 17, 2019 29

The most commonly used Arduino board, the Arduino Uno, only has 12 available digital IO pins, so you may find yourself quickly running out...