Tag Archives: violet

UV LED PCB Exposure Box Build

PCB at: http://diy.rednumberone.com/uv-led-array-exposure-box-diy/ Build a UV PCB exposure box out of a cardboard box. The LED array is fixed in the box with double sided tape. For power supply, 15V, 2A then Using a LM317T as a constant current source with output of 1A. Assembled on a prototype board. It’s a very easy hack to […]