UV PCB Exposure Box

Blog: https://lytrax.io/blog/projects/diy-uv-exposure-box

Youtube: https://www.youtube.com/watch?v=ZAlxNNI-BVM

This is the control software and design files for a DIY UV PCB exposure box. I'm using an old and damaged scanner box to create this device. The application is an adjustable timer that turns on and off a UV LED strip.

Breadboard diagram using Fritzing

Schematic diagram using EasyEDA

The final protoboard design

Parts list

• R1: 10K
• R2: 10K
• R3: 120
• R4: 120
• MOSFET: FS10KM-10 (N-Channel)
• Rotary encoder with a monetary switch
• Monetary switch X 2
• 4 digit LED display module
• UV LED Strip