Reducing Arduino Power Consumption - SparkFun LearnLearn the basics of using a multimeter to measure continuity, voltage, resistance and current. Removing Extra Hardware Every integrated circuit (IC) needs power to function. By reducing the number of ICs needed, you can save a bit of power. The Arduino Uno and RedBoard both have a USB bridge that converts the USB signals to signals that the Arduino's Universal Asynchronous Receiver Transmitter (UA
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