Interesting Links:
The Knocklock: Keyless Entry simply by knocking a secret code
George & Goldberg Design Associates: Motion Control, Fabrication, Design
JoezGarage: Electronic Circuit Design, Microcontroller Firmware, PCB layout, Engineeringt6atexan2: Hats, Jackets and apparel related to the T6A Texan II Trainer by Raytheon