XOrduino: an Arduino-compatible board for the OLPC XO laptop

Alessandro PaganelliJune 15th, 2012

Dr. Scott Ananian, from the One Laptop Per Child (OLPC) project, conceived an Arduino Leonardo-compatible board especially designed for the OLPC XO laptop, with the goal to cut down its price as much as possible, to foster its adoption even in developing countries. From Scott’s blog:

The board uses mostly through-hole parts, with one exception, and there are only 20 required components for the basic Arduino functionality, costing about $5 (from digikey, quantity 100). It is reasonable for local labor or even older kids to assemble by hand.

The board, named XOrduino, is open hardware (schematics and pcb files can be found on github), and can be directly plugged into the XO’s USB ports, which allowed Scott to save the money required for the USB connector. Moreover, its design has been inspired by other open hardware projects, such as SparkFun’s ATmega32U4 breakout board and SparkFun’s Scratch Sensor Board-compatible PicoBoard.

Scott designed also a second board, which is even cheaper than the first one, called XO Stick:

It’s based on the AVR Stick using the ATtiny85 processor and costs only $1/student. It’s not quite as user-friendly as the Arduino-compatible board, but it can also be used to teach simple lessons in embedded electronics.

A longer description can be found here, while detailed release notes can be found on github.

It’s very exciting to see how open technologies, such as open hardware and open source software, contribute to the way education and creativity can take place around the world, especially regarding their promotion in developing countries.

[Via: Ossblog, OLPC blog, Scott Ananian's blog]

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