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Electrical Engineering
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Jens's user avatar
Jens's user avatar
Jens
  • Member for 2 years, 4 months
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View all questions and answers
answer
50
How does the switch on the back of older computer power supplies work to vary between 110 and 220 volt input?
Jun 16, 2022
answer
17
Is there an easy way to detect when a DC current flows, then close a path?
Jul 4, 2022
answer
16
Can I drive a 5 V relay that requires 22 mA with an Arduino’s 20 mA continuous output?
Oct 19, 2023
answer
14
AVR code disassembly - what is this code doing?
Aug 13, 2023
answer
13
Looking for an indicator light for 60-330V
May 24, 2023
answer
8
Can SPI be used without implementing a modern MCU?
Jul 9, 2022
answer
7
Circuit diagrams use unit prefix symbol as a decimal point
May 17, 2022
answer
7
Power MOSFETs IRFP260N and IRFP90N20D
Jul 9, 2022
answer
6
Will "universal" SMPS work at any voltage in the range, even DC?
Sep 12
answer
6
Wiring two lamps so that the one disables the other
Nov 13, 2022