The Arduino Nano can be powered by means of the Mini-B USB, 6-20V unregulated external power supply (stick 30), or 5V regulated external power supply (stick 27). The power source is automatically chosen to the highest voltage source.
- #If your PC doesn’t recognize the device when plugged in via USB, please install the following driver. Download Ch340 driver. Its free. The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x) or ATmega168 (Arduino Nano 2.x). It has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one. The Nano was designed and is being produced by Gravitech.
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