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There are two possibilities: Easy way (but with limitations) I see a delay of 200 (ms)… So if you want to have it working for a minute, than use 60,000. If 60,000 is not accepted (maybe the input argument is a signed integer, having a max value of 32,767), than use a for loop and do a delay of a second for 60 times. This solution will make it not ...


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The TIP120 is a poor choice because of the approximate 10% - 14% voltage drop across it. Try the circuit with a logic level, low Rds MOSFET. For a more in-depth answer, please see this answer: https://electronics.stackexchange.com/a/388468/165322


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