Photodiodes

As you are a new member of MyLot,you may want to take a few minutes to go through the rules regarding discussions before people start questioning your discussions to MyLot.I hope you will do this as it is a great way to get people to respond positively and will make you more money online.Good luck.

hmmmmmmmmmmmmmm diodes only let electrons through in one direction so anytime you want variable letting things through unidirectionally use one of those, maybe could get one for $1 I have more experience photoresistors.