I would like to turn on my car's heated seats over a mobile/cellular network using my iPhone, and I'm trying to figure out the simplest path. I know very little beyond that goal, but I know that RF, ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

I have a 24v power supply i regulate down to 12v. To run a microprocessor and some relays.<BR><BR>I then use 24v to run some hefty pneumatic solenoids. Problem is when they are under load they give ...