Whether you are a person about town or a worm in a dish, life can throw all kinds of circumstances your way. What you need is ...

It’s a surprisingly complex circuit with a lot of filter components ... and as part of the jolity we ended up with one member making a simple RFID reader on the bench. Just a signal generator ...

Found for about $5, this unit uses simple components yet achieves surprisingly ... A detailed analysis by [BigCliveDotCom] reveals a smart circuit that defies its humble price.