What is Voltage? – Electricity Basics
In our first tutorial about basic electricity, you learned that current is just the flow of electrons in a wire. You learned about...
What is Current and Amps? – Electricity Basics
This is new set of tutorials on the basics of electricity. I am often asked some of these questions, and I thought it would a grea...
Best Wi-Fi Access Points (Updated for 2021)
I talk to people every day about computers and electronics. From friends and family, to business colleagues, to vendors selling eq...
The Best Home Network Rack
The world is changing. Technology is invading the home like never before. Builders are even including structured network panels in...
The Best pfSense Hardware for Businesses
I recently updated by article on the best pfSense box for home firewalls. Many people have said that those boxes do not meet their...
Teensy vs. Arduino: What’s the difference?
In this tutorial, its all about Teensy vs. Arduino! What's the difference? Why use a Teensy over an Arduino or vice-versa? We w...
Commodore VIC-20 Clip Repair (3D Printed)
So I found a fantastic Commodore VIC-20 at a yard sale and it is absolutely gorgeous! It has Just a slight bit of yellowing that y...
Using the DHT11 Temperature Sensor with the Raspberry Pi
In this tutorial, we're going to cover using the the DHT11 (or DHT22) temperature and humidity sensor with the Raspberry Pi. Usin...
Arduino Water Level Sensor Tutorial
In this article, we're going to do an Arduino water level sensor tutorial. We'll go over how to wire the sensor, how it works, and...
Full Size R2-D2 Remote Control (Raspberry Pi)
I've had so many people ask me how I went about building the full size R2-D2 remote control system. So today, I will take you thro...