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 typing up your telephone line, and a nice lady's voice announced "You've Got
Mail" when a new message arrived...
All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledged.
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
Lego Pen Plotter
This archive links to the many video and audio files
been featured on RF Cafe.