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Help!! My DIY Electronics Project Doesn’t Work! Op-Amp Circuit Troubleshooting Diagnosis Repair

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I constructed this MilliOhm meter DIY job and it is not working! Allow’s see if we can function out what the problem is.

00:00:00 Introduction
00:01:18 PCBWay Shared Projects
00:02:46 The Millivolt Meter Project
00:06:52 Selecting The Components
00:20:11 Building The MilliOhm Meter
00:46:00 Testing The MilliOhm Meter
00:47:07 Adjusting The Settings
00:50:17 It Doesn’t Work!
00:58:44 Diagnosing The Problem
01:06:22 Enlightenment!
01:09:34 Improving The Accuracy
01:14:21 Epilogue

Made use of in This Project (web links are affiliated, I obtain a small payment from all sales but you pay the regular price).

SMD Tweezer/ DIY Kelvin Probe.
OP07 Op Amp.
IRF540 Mosfet.
1W Zener Diode Pack.
Trimmer Potentiometer Pack.
5 Digit Volt Meter.

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