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Electrical Engineering
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Jens
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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
Any ideas what might have burnt up here
Apr 8
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
Will "universal" SMPS work at any voltage in the range, even DC?
Sep 12, 2024
answer
7
In a DC voltage sensing circuit, what's the need for capacitors on input and output?
Jun 16, 2022
answer
7
Circuit diagrams use unit prefix symbol as a decimal point
May 17, 2022