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Supercharge your projects:
The new Arduino compatible 32 bit ARM microcontrollers are many times faster than standard Arduino boards, but use the same friendly development environment. The 32 bit Arduino Due, $50, has 54 digital input/output pins and is lightening fast compared to the Uno.
The Teensy3, $19, is perfect for someone who wants 32 bit supercharged Arduino speed in a small package that can be programmed using the Arduino IDE. The performance of the 32 bit controller enables applications such as sound and visual processing that are beyond the capabilities of standard 8 bit boards such as the Uno.