I've been looking for something to do with the bag of 1N4001 diodes I trash-picked decades ago. There are 1,000 pieces minus the dozen or so I've used in projec

I've been looking for something to do with the bag of 1N4001 diodes I trash-picked decades ago. There are 1,000 pieces minus the dozen or so I've used in projects. The 50V PIV and slow switching speed limits their application, but I have a lifetime supply!