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power switch placement in CMOY

post #1 of 3
Thread Starter 
Can you place the SPST power switch anywhere in the power supply circuit? I was thinking of placing it between R1 and the 9VDC (so on the neg. terminal of the battery.) Any problems with this placement?
post #2 of 3
No, the switch needs to be very near one of the battery terminals -- it doesn't matter which one. If you put it near the voltage divider resistors, the LED would stay on all the time.
post #3 of 3
As long as the switch is before anything else (LED and voltage divider) it should be fine.
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