I'm using a Lithium Ion battery of 12V to power on Arduino.How to use that same battery to turn on the 12 V motor ?I want to turn on the motor by arduino when i press a switch or button.The battery can provide 3A current whereas motor only requires a 1.5A current.I know the programming. But I dont know how to set up the electronics needed.I'm new to electronics..Please help.
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