EEVblog No Script, No Fear, All Opinion
Teardown Tuesday.
Inside the HP 3457A 6.5/7.5 digit bench multimeter.
Service Manual
HERE and HERE and HERE
LM339 Reference
User Manual HERE
Forum Topic HERE
Photos HERE
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More mailbag! 00:00 – Jumperless Breadboard from Architeuthis Flux & WokWi https://www.tindie.com/products/architeuthisflux/jumperless/ https://hackaday.io/project/191238-jumperless/log/222858-getting-started-using-your-jumperless https://wokwi.com/ https://www.digikey.com/en/maker/projects/jumperless/2e62cc88ee6145bc924041dd486de76f …
