Recent Posts

High ESR in Capacitors

ESR stands for Equivalent Series Resistance. It refers to the internal resistance that appears in series with an ideal capacitor.

Arduino IDE on Ubuntu 24.04

There are some well documented problems in starting the Arduino IDE in Ubuntu 24.04. I recently installed Ubuntu 20.04 on…

Introducing Wokwi

Thanks to Linux Format magazine and Les Pounder for pointing me in the direction of Wokwi. Wokwi is an online…

If your Linux PC hangs.

We have used Linux PCs exclusively since the business started. On the rare occasion that the system hangs and becomes…