Difficulty Level 1

Raspberry Pi raspberry logo for the Raspbian installation guide
Raspberry Pi Basics: Installing The Latest Version of Raspbian onto a SD Card
DIY Electronics Raspberry Pi
Installing Raspbian To An SD Card Welcome back to another installment of The Workbench . In this episode I walk you through the process of installing the latest version of Raspbian onto an SD card for use with a Raspberry Pi. This is the first episode in a series of videos in which I cover the basics of getting a Ra...
Use NirCMD To Change Default Audio Device in Windows on Startup
Use NirCMD To Change Default Audio Device in Windows on Startup
DIY Electronics
Use NirCMD to reset your PC's default audio device on startup. For the last seven months or so, I have been having issues with my main PC resetting its default audio device to my headset when I reboot. I am told that this issue stems from something in the Windows 10 registry being updated when I installed the driver...
DIY MEADE 505 Telescope Communications Cable
DIY Meade 505 Telescope to PC Cable
DIY Electronics
Most of my readers here will be surprised to learn that I am an avid amateur astronomer. I spend every chance I get under the stars taking in the amazing views that can be seen from my 10" Meade LXD-55 Schmidt Newtonian. With my background in photography, it should come as no surprise that I have shifted more into a...
Reading PC Fan RPM with an Arduino
Reading PC Fan RPM with an Arduino
DIY Electronics Arduino
Today we are going to learn how to read the RPM of a PC Fan. This also works well for the Water Pumps used in PC Water Cooling as well as any dc pump or fan that has a rotation sense wire. This is accomplished by counting the falling edge of the square wave generated by the Hall effect sensor that is located inside ...
Nine-component theremin assembled on a breadboard
Tutorial: Cheap 9 Component Theremin
DIY Electronics
Build a light-sensitive pocket theremin from two 555 timer ICs, two photocells, and only a handful of other components.