Here are two items from a couple of the ham radio mailing lists I’m on:
- Chassis Kits. K3IWK makes a series of chassis and enclosure kits. I’m not sure how the prices compare to similar units from other vendors, but he says they’ll save you money.
- 1-Bit Sine Wave Generator. Nick, WA5BDU, shows us how to generate an audio sine wave using a single digital output from a microcontroller. Nick used a PIC, but I’d bet you could do something similar with an Arduino.
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