Lego Pen Plotter
Videos for Engineers

Lego robots have for many years been a favorite pastime for nerds young and old alike. A Google search of Lego videos will result in a plethora of cool projects that hobbyists have dreamed up - like this Lego Pen Plotter. Lego manufactures a large selection of components for robotics including motors, gears, vision systems, microprocessors, sensors, gears and drive belts. Their Mindstorms NXT series is a good place to start if you are inclined to join the club. Don't bother trying to sell your manager on the cost savings of building this plotter and selling the $8k HP model; it's not quite that good.

Lego Pen Plotter

Videos for Engineers - RF Cafe Website This archive links to the many video and audio files that have been featured on RF Cafe.

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Windfreak Technologies Frequency Synthesizers - RF Cafe

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...