Be sure to see my website https://www.supyrow.com for files and extras.
HOW TO USE A STAR GROUND CONFIGURATION LM386 and other AUDIO AMPLIFIERS
START TIME AT 3:40 into video
For more information about how to make Circuit Boards using Photoresist with soldermask:
• PCB using Dry Film Photo Resist Technique ...
#12 How to build a DIY Induction Probe / Toner Signal Tracer Part #1
Schematic, Artwork and Bill of Materials Located in the FILE:
SU_PYROW-TonerSignalTracer_RevC.tar.gz
https://www.supyrow.com/electronics/d...
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Stay around for Part #2