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RFduino

By Sophia Smith / Jan 21, 2016

RFduino

The RFduino is essentially an Arduino with a few key differences. At the size of your fingertip, it’s much smaller than Arduino and also slightly more affordable. You can run Arduino sketches on RFduino just like a regular Arduino, although you’ll need to purchase an additional USB shield in order to load other types of code onto it.

Specs
RFduino http://rfduino.com
Type:Microcontroller
Price:$29
Software:Arduino
Clock Speed:16 MHz
Processor:32-bit ARM Nordic Cortex-M0
I/O Pins Digital:7 (Software PWM)
I/O Pins Analog:None
WiFi?:Yes
Video?:No
Bluetooth?:Yes
Ethernet?:No
Operating Voltage:2.1-3.6V
Dimensions:0.9 x 1.514"
Memory:128KB Flash

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Why To Buy

If you only plan on running Arduino sketches or don’t mind the required peripheral for programming, this is an affordable, miniature Arduino-compatible board.

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