Everything for Electronics

Klaus Spies

Klaus's Articles

Adding an Audible Circuit Alarm
March 2022
Keep an audio “eye” on your equipment.

Circuits for a Day at the Races
June 2019
With a little amount of expertise in electronics, there are many accessories we can build ourselves to add to our slot car racing hobby.

LEDs for Operational Status and Troubleshooting
May 2019
Get flashy with your troubleshooting methods.