BullseyeBore Alignment Demo
Evolution of Arduino: The Family Tree by @Linda Bruinenberg Bruinenberg Bruinenberg Bruinenberg Norris Rasowsky
Pin layout for raspberry pi
ArduinoCheatSheet - The Mechatronics Guy
Portable wind turbine
Cool Corner Joint.
World’s first grid-connected wave power station switched on in Australia | It also supplies zero-emission desalinated water.
Arduino pinouts from MAKE site. Arduinos are a very cool idea. What a great educational and physical computer functional device.
Raspberry Pi 2: 101 Beginners Guide: The Definitive Step by Step guide for what you need to know to get started.