Paul In The Lab

There is no schematic for this because I did this one years and years ago and I can't find the schematic that had the right component n...

This is a bit of an experimentalist amplifier - the transistors on the BoM won't give you that much amplification however if you put so...

this is actually from a request from a guy called Jim (sorry don't know your last name) who wanted a peizo preamp because they are so e...

this is something I made in school 15 odd years ago. you had to take a square wave, use a passive filter network to convert the signal to t...

I built this for those of you who have guitars with single coil pickups or indeed anything that picks up mains interference up (that annoyi...

I built this for 2 things - 1. my computer is getting a little hot and I like quiet for as much as is possible so having a little automatic...

I've done LED flasher type circuits before on here but usually they were for something someone wanted so they did specific things like ...

it's been a while since I've done a new layout - I've been and continue to be ill but I thought I would try and do something so...

People often like to retrofit their guitar effects with "true bypass" switches but this usually means wrecking the pedal case by...

This is something I made a long long time ago and subsequently made actual PCBs for which I still have but due to the fact my agoraphobia h...