Try PCBWays rapid prototyping services https://pcbway.com/g/Tj5om7
PCBWay 7th Project Design Contest https://www.pcbway.com/activity/7th-project-design-contest.html
Benchtop Multimeters https://www.welectron.com/Benchtop_1
More from me https://www.patreon.com/marcoreps
1281 Test results https://github.com/marcoreps/datron_1281
00:00 Intro
01:47 Problems
04:22 Going in
05:15 Vref difference
09:55 ACV flatness
13:34 Relay driver
16:01 Adjustments
16:58 Tests & conclusions
#repairing #restoration #metrology #electronicengineering