https://www.pcbway.com/ Get 5 boards in about a week for $22!
In this video I iterate the split rail power supply using the ICL7660 8 Pin IC board from April of this year. I had a capacitor flipped, kinda the way it goes when it's just one guy. Anyway this board is now 90% working, but I am still losing about a volt on the negative side.
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Learnelectronics Merchandise:
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HEY YOU ABOUT TO POST SOMETHING STUPID:
Yes, I know my hands are large/fat. It's because of a heart condition I suffer from called Congestive Heart Failure. Here's a link to some information about CHF: https://cle.clinic/2TdS2Ux
One of the symptoms is that it causes fluid retention, mostly in the hands, feet/ankles, and face..
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Gear I use:
DMM: Owon B33+ - https://amzn.to/3qQgH20
Power Supply: Matrix 3206 - https://amzn.to/37C0fL9
Portable O'scope: YEAPOOK ADS1013D - https://amzn.to/2ZG4G3x
Bench O'Scope:Hantek DSO2D15
- https://amzn.to/3ir307N
Soldering Station - KSGER T12 - https://amzn.to/2NuNdby
Multimeter leads: Probemaster - https://amzn.to/2ZJ0BLK