PCBWay 3rd PCB Design Contest:https://www.pcbway.com/project/events...
For more info check:https://www.pcbway.com/
How to build voltage regulator video:https://youtu.be/N7gaI9PMvvA
Parts used for this project:
LM317 voltage regulator,3 Segment Led voltmeter from ebay,
power switch,output terminals and analog vu meter.
How To Make Variable Lab Power Supply At Home ─ Hacktuber
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