Electronics

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Get flash to fully experience Pearltrees
http://www.turnpoint.net/wireless/cantennahowto.html

How to build a tin can waveguide antenna

Assemble the probe and mount in can

MEMS Technology

http://www.memx.com/technology.htm Bulk micromachining is a fabrication technique which builds mechanical elements by starting with a silicon wafer, and then etching away unwanted parts, and being left with useful mechanical devices.

Arduino - HomePage

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. http://www.arduino.cc/

Liquidware : Open Source Electronics

With over 1.5 billion Dhrystone operations per second and vector floating point arithmetic operations the BeagleBoard C5 is a low-cost, high-expansion hardware-hacker focused single-board computer. $125. Rapid custom solutions http://www.liquidware.com/