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I guess my new rule is: if it's an STM32 or a clone, it must have @openrtx ported to it...

(Full disclosure: this is just an OLED driver and a bitmap. But one day, maybe... 👀)

@whitequark PD 1.0 is one of those specifications that's been intentionally erased as much as possible from public consciousness because of it's infohazards, just like Wireless USB
OpenRTX Team Releases First Open Source Version for A36plus MAX

The renowned developer team, OpenRTX, has recently released the first open-source version for the Talkpod A36plus MAX. This marks a significant milestone for the A36plus MAX, a device equipped with 128K+2M of large memory. This substantial memory capacity not only supports basic functionalities but also provides develo

Talkpod
hehehe @sydney

And that's not all - it's good enough to push Olivia through the audio interface! FT8 also works, but I didn't film it.

A video of the actual decoding process (~10MB) is hosted externally to avoid using up this server's bandwidth. It can be found on Telegram: https://t.me/quansheng_uvk5_en_dev/22738/35188

Andrej in [EN][DEV] Quansheng UV-K5

Telegram

23cm band SSB demodulation on the Quansheng UV-K5, thanks to writing undocumented values to various registers.

Many thanks to fagci for the modifications to Piotr's spectrum firmware, Aleksei (don't know his last name) for the register modifications, and DualTachyon for the full disassembly of the firmware (https://github.com/DualTachyon/uv-k5-firmware), along with many others who helped.
Join the Telegram chat for details about how it was done; it definitely won't fit in a message!

GitHub - DualTachyon/uv-k5-firmware: Open reimplementation of the Quan Sheng UV K5 firmware v2.1.27

Open reimplementation of the Quan Sheng UV K5 firmware v2.1.27 - DualTachyon/uv-k5-firmware

GitHub