The Skymega is an electronic board for programming printbots. It is open source hardware, designed with the open source tools Kicad (we have named this kind of hardware as open source squared). It is based on the ATmega microcontrollers, so it is Arduino compatible.

This board has been specifically designed for building modular robots or mini mobile robots. Currently we are using it at Universidad Carlos III de Madrid for the following printbots:

• Miniskybot: http://www.thingiverse.com/thing:7989
• Repy1 1.1 modules: http://www.thingiverse.com/thing:13442
• F-track: http://www.thingiverse.com/thing:13298
• Orugator: http://www.thingiverse.com/thing:8559

Features:

• Small in size
• Easy to build by the students
• ON/OFF switch
• Arduino compatible
• Connection up to 8 servos
• I2C bus
• 1 Test button
• 2 Test led

Authors

• Juan Gonzalez-Gomez (Obijuan)
• Andrés Prieto-Moreno
• Itziar Lima
• Ricardo Gomez

More information on this board (repository, images, instructions) can be found on this link (in Spanish): http://www.iearobotics.com/wiki/index.php?title=SkyMega

You can manufacture the board with the provided Gerber files, or you can edit the schematic and PCB using the Kicad tool.

For the bill of materials please have a look at the skymega-BOM-en.pdf file.

The software is written and uploaded to the board using the Arduino environmnet. It is necessary to connect the Skymega to the PC by means of a modified FTDI cable (see the attached images for detailed instruccions)

Enjoy building and programming open source printbots!!!