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Nuts & Volts Magazine (July 2017)

Reader Questions Answered Here (07.2017)

By Kristen McIntyre    View In Digital Edition  

Read about building a functional current course for experiments; a power indicator to know when the engine block heater is attached to 120 VAC in a 2002 F250; and figuring out the lowest voltage/highest current LED that can be turned on for an extended period of time using the Arduino in a design without a resistor.


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