The September/October issue of QEX is coming soon, and it is full of theoretical and practical technical articles that you don’t want to miss. Richard Chapman, KC4IFB, shows how to use the Arduino prototyping board to design a project, and then gives us a lesson in programming the microprocessor to “Build a Low-Cost Iambic Keyer Using Open-Source Hardware.” W. G. Moneysmith, W4NFR, was a new repeater trustee needing a duplexer for a 70 cm repeater. He presents his solution in “A Homecrafted Duplexer for the 70 Centimeter Band.”
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Hey, good catch!
Amateur radio has a very long tradition of open source hardware & software projects.
I hope a lot more ‘HAM’ projects are done with the AVR chips and the various Arduino boards. The “Nuts and Volts” magazine has also covered a series of AVR/Butterfly and Arduino hardware/software tools.