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The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.

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What's the best way to control a USB-powered desk light

I recently bought a USB-powered desk light. Is it possible to control (turn on/off) it with the Arduino Uno? The desk light has 3W so needs 600mA. Should I connect the USB wire with the 5V pin of th …
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