Like all things, there’s a law of diminishing returns, and even with a smartphone camera and a DIY light box, you can produce some fantastic pics of PCBs.

layer the transparency with the sensitized PCB, expose with a UV light for a while, dissolve away the unexposed resist, and then etch. Here, [Nuri] combines the first three steps in one by ...

DANBURY — A developer’s plan to convert a warehouse into a distribution center on the city’s industrial border with Bethel got the environmental green light ... and cap PCB-laden soil ...