A desire for automated PCB inspection has led [charliex] down some deep rabbit holes. He’s written his own inspection software, he’s mounted his PCB vise on a stepper-controlled table, … ...

To aid in this regard, [Halogenek] whipped up a nifty microscope lamp with some LEDs. The build uses a neat arch-shaped PCB with a hole in the middle for the microscope’s optics to pass through.