#zener — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #zener, aggregated by home.social.
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Precision Reference Puts Interesting Part to Work https://hackaday.com/2025/02/11/precision-reference-puts-interesting-part-to-work/ #voltagereference #compensated #precision #ADR1399 #Parts #LM399 #zener #oven
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Precision Reference Puts Interesting Part to Work - Interesting parts make for interesting projects, and this nifty precision voltage ... - https://hackaday.com/2025/02/11/precision-reference-puts-interesting-part-to-work/ #voltagereference #compensated #precision #adr1399 #parts #lm399 #zener #oven
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Programmable Zener is Really an IC https://hackaday.com/2024/11/24/programmable-zener-is-really-an-ic/ #hardware #tl431 #zener
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Programmable Zener is Really an IC - [Kevin] doesn’t stock zener diodes anymore. Why? Because for everything he used to... - https://hackaday.com/2024/11/24/programmable-zener-is-really-an-ic/ #hardware #tl431 #zener
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I replaced the #zener diode with a new one.
The 12V linear regulator wasn't attached to the heat sink, and is known to fail because of that. So, I replaced it with a new one and attached it.
Also, I replaced the #RIFA #capacitor with a modern alternative and removed the power switch.
Sadly it is not repairable and replacements are very expensive, so I'll have to improvise. Maybe I'll add an external one.
#commodore #monitor #repair -
I also got a #commodore 1901 #monitor. The boards look very nice, only needing a bit of cleaning. Except one spot on the edge - there a #zener diode had completely rusted legs. Good that the #schematics are available and I could find the value.
Also, the power switch is broken, it doesn't latch on. -
Two Wire Sensors on LED Strips - While addressable LED strips are all the rage, [Mike] from [mikeselectricstuff] ha... - https://hackaday.com/2021/12/04/two-wire-sensors-on-led-strips/ #zenerdiode #ledstrip #zener #news #led