Free PCB Sunday: USB RGB color changer

We go through a lot of prototype PCBs, and end up with lots of extras that we’ll never use. Every Sunday we give away a few professionally-made PCBs from one of our past or future projects, or a related prototype. This is a USB controlled RGB color changing light. Someone made some minor modifications to […]

Remote control color changing pumpkin

Halloween is only a few days away. We’re getting into the spirit by building a remote control color changing pumpkin. Channel buttons 0-8 on the remote toggle the colors of the rainbow. Button 9 activates an ‘angry pumpkin’ mode that flashes a scary red strobe for a few seconds. It uses a minimal PIC 18F2550 […]