Tag Archives: electronic

How to Clean PCB

I know one guy who cleans old radios in a dishwasher machine. I prefer a combination of alcohol (flux remover), brush and pressurized air. I developed this method while cleaning RC nitro helicopters and I am very pleased with how it works on PCBs. source

Simple Automotive 12V Delayed ON Relay Circuit ~ Interior Lights

Some people for privacy reasons do not like to open their car door at night and have their interior lights come on UNLESS they need them to. This circuit is designed to allow the interior lights to come on only if you allow them to by holding the door open longer than you usually would […]