Tag: design

Reverse polarity protection for guitar pedals

A design series on embedded electronics and audio design. Applying power to pedals should be a simple thing, but as designers we have to understand that if something can go wrong, it absolutely will. Or said another way, if a user can do something stupid, they will… So I thought I’d dig in on what…

Development board test box for guitar pedals

I built these development board / test boxes to give me a robust and practical way to prototype my guitar effects pedals. They are pretty solid and can easily move from work bench to the floor for testing – especially with the onboard battery. The PCB ensures a solid connection to route power and audio…