Product Review
The Arduino Due is more than double Arduino Uno as the core of your projects and devices. It's powered by the Microchip AT91SAM3X8E microcontroller, which features a ARM Cortex-M3 32-bit processor. Connect it to a computer with a micro-USB cable and easily program it. If you like, power it with a Lithium battery. Just be aware that the maximum voltage the I/O pins can tolerate is 3.3V: voltages higher could damage the board.
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