The other day, a friend had asked me about the difference between a BC108 and BC108C, and this got me wondering about part numbers. The 2N3055, 1N4001, BC108 etc… what do these part numbers actually mean. Well it turns out that these codes aren’t exactly random and do mean something… sort of… JOINT ELECTRON DEVICE…

I was having an argument with ChatGPT today, initially about Bi-Colour LEDs, then it spilled over to Tri-Colour LEDs. Let me explain. A Bi-Colour LED has two different colour LEDs in the one package. In theory any two colours could be used but Red & Green or Red & Yellow are pretty common. Now according…

Like most engineers I can’t leave something alone for too long if it’s broke and have to keep picking at it. In my previous blog post I talked about wanting to test some suspect ICs I’d bought and the fact that to accomplish this, I would need to update the firmware on my Retro IC…