Dirt Cheap Frame Grabber (DCFG) is the best beginner project! It's an NTSC video capture board that costs a few dollars. It uses a parallel port to capture video. I did not
PCB Soldermask: Everything You Need to Know
Laser Blasts Out High-Quality PCBs | Hackaday
Replacement PCB Dock Display LED | iRobot i series Dirt Disposal Base - ADE-N1 | eBay