These live discussion sessions with N2APB and N2CX are an absolute goldmine of information about HF design for the amateur.
There's a good mix of analog and DSP. My only gripe is that there doesn't appear to be a podcast feed, so I had to set up a 'virtual' feed in Doggcatcher so that it would queue these.
Eclectic Electronics: Powering Arduinos with Tube Filament Voltage - *You know that you are dealing with a broad range of technology when you find yourself discussing how to power an Arduino microcontroller from the 12V AC...
14 hours ago