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Search: Posts Made By: gabiz_ro
Forum: Equipment Usage, Soldering, Techniques, and Reviews 05-02-2021, 12:10 AM
Replies: 154
Views: 30,995
Posted By gabiz_ro
Re: New tool to find short capacitors on motherboards : shorty with display

Are both 3 but must be something to differentiate.
For digital pin you can define simple with number only but for analog inputs you need to specify is analog one by using A prefix.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-30-2021, 09:47 AM
Replies: 154
Views: 30,995
Posted By gabiz_ro
Re: New tool to find short capacitors on motherboards : shorty with display

Some schematic will help a lot.
Where did you get 2.4V instead of 5V with voltage regulator?
Also
Voltage drop C-E on BC557 at 100 mA is in datasheet 0.65V
5V -Vdrop on BC557 = 4.35V
4.35V on 82...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-30-2021, 03:41 AM
Replies: 154
Views: 30,995
Posted By gabiz_ro
Re: New tool to find short capacitors on motherboards : shorty with display

I was more about



As I see 1755S is limited to 300mA
Aprox 60mA via Q1 and resistors, 240mA for Arduino, oled and others.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-30-2021, 12:47 AM
Replies: 154
Views: 30,995
Posted By gabiz_ro
Re: New tool to find short capacitors on motherboards : shorty with display

Some more info about?
I mean about voltage regulator.
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