Electronics Emporium

Sometimes you want a monostable that goes for hours or even days when triggered, this is usually when your RC components get unfeasibly larg...

I came across this circuit the other while trying to make a simple open loop control system for driving DC motors and other non-feedback act...

I have found that the serial monitor provided by the arduino SDK is very useful for monitoring what your arduino is doing but can be limited...

Here we see an old windows 98 computer motherboard that I was stripping down for the power supply module and other parts. I opened up t...

So as an extension to my post on easy amplitude modulator circuits, we can use the same method in order to make a very simple voltage contro...

It has taken ages, literally years of occasional pondering, for me to realize that there is a way to make a very simple voltage controlled a...

So if you are adverse to spending money like me and don’t want to fork out for a flexible DC bench power-supply then I may have a decent al...