See: https://youtu.be/v6cWHiaaO9w?si=BuA_rLzSTJEzhFFb and: https://youtu.be/8nUyg_09LxI?si=ty4zm3C4KxejeHNW
The uSDX platform, and all of its glorious variants, welcome a new member. The Pebble HF is a $50, single-band, 20-meter implementation, with SSB, CW, and digital modes. Using the same (pre-soldered) ATMEGA328P as other uSDX designs, the Pebble HF can run the original uSDX.ino file, or should run Rob Colclough <https://www.facebook.com/groups/599314207744366/user/100003873974733/?__cft__[0]=AZZsABCNZoPlpd5ukyiVcKWowmHF1EbnCmo3kqsfToNlOv9VJGONeDTiVMH6K2hTGlxhBIlGwmrqeEIsWv3qjHPoFFd2keSGG5M9cjtkco7nMAJj6YObE6BTI6ehO4rAxqQO5RrXwxjSiX5N6Q6zI0bebFQtbLGtktjW9CinGJpnFJ__i9SrEfbtFWHhRZtqb7glT9ojokiYTrgyFcVNiaf4&__tn__=-]K-R>'s updated file with minor or no modifications! The build process includes winding two coils and soldering only through-hole, discrete parts. Suitable for a club build project. At $50, the Pebble can easily be a group build. The design is a derivative of the QMX+ and (tr)uSDX. The basic unit should also be able to be modified to operate on any of the 80/60/40/30/20/17/15/10 meter bands. The parts are known, and the ATMEGA code already exists in the 8-band variants! SO cool. 73 Dan KJ5IZK
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