IO Board with LDG tuner, Thetis mod testing

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Claude

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May 29, 2026, 3:14:22 AM (8 days ago) May 29
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Hello everyone,

As per another post, you saw I was able to find the issue with the 8s timeout in Thetis that will be fix in a future release of Thetis by Reid MI0BOT.

Now, after a very long time testing with Thetis code, I can now run the automatic tuner with the IO Board from the TUNE button on the tuner itslef.

If you want to take a look at the mods, you can check these link for informations and try it out for yourself.

LDG tuner integration with IO board can be found here: https://github.com/Aleziss/HL2IOBoard-LDG-AT1000-ProII

Modded version of Thetis v2.10.3.14-HL2 can be found here: https://github.com/Aleziss/OpenHPSDR-Thetis-HL2-Mods

A quick video demontration of the LDG tuner control from the modded Thetis version: https://www.youtube.com/watch?v=9eE7b4Y-6QY

This is all still under testing, be sure you follow instructions correctly and it will work just like in the video.

The moded version of Thetis has the automatic tuning timeout to 20s and respond from the TUNE button from the LDG tuner.

73 de Claude VA2CST

Claude

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May 30, 2026, 5:53:41 PM (6 days ago) May 30
to Hermes-Lite
Hello everyone,

I've fixed the issue where Thetis could transmit right away if no pullup resistor is installed on J8 IN2, now it needs to go from HIGH to LOW before running the routine. The code has been updated in the github release.

v2.10.3.14 with extended 8s to 20s timout during automatic tuning and run the tuning procedure from the TUNE button on the tuner itself with protection from HIGH to LOW before starting the routine.

Claude
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