DEV Community: Abraxas3d

RFBitBanger Batch 2 QRP HF Amateur Radio kit available now

Abraxas3d — Wed, 13 Mar 2024 00:03:47 +0000

RFBitBangers are available!

Please see our listing at our non-profit eBay account:

https://www.ebay.com/itm/364783754396

Synchronization

Abraxas3d — Sun, 03 Mar 2024 17:39:07 +0000

We are starting the process of integrating synchronization functions into the receiver for Opulent Voice, our open source high definition voice and data protocol for amateur radio and industry use. The shared image is an early clock recovery result from this work. Recovering the clock is essential in getting the best estimation of the received symbols.

We will be comparing several different methods in simulation, including digital bandpass filters, PLLs, NCOs, and polyphase techniques.

If you're interested in this sort of work, please check out https://openresearch.institute/getting-started

In the Lab today

Abraxas3d — Wed, 28 Feb 2024 18:36:29 +0000

I get to spend some time in the lab today and look forward to posting more updates.

Open Source Minimum Shift Keying Progress

Abraxas3d — Tue, 27 Feb 2024 16:56:14 +0000

Opulent Voice project is making progress. The signal has been constructed in Simulink, and will be converted into VHDL using HDL Coder from Mathworks, integrated into the ADRV9009 HDL reference design, and tested over the air.

Working on FCC comments dissemination today

Abraxas3d — Tue, 24 Oct 2023 16:02:32 +0000

We are trying to do our part to make it possible for open source hardware to get a better opportunity in the economy and from the government. We're participating in the regulatory and technical process.

Thank you to everyone at Open Research Institute for helping achieve ambitious goals.

Hacktoberfest!

Abraxas3d — Mon, 23 Oct 2023 20:47:59 +0000

Yikes! Getting a late start. Good thing there's lots of documentation to publish.

ADRV9009 and zc706 Working

Abraxas3d — Wed, 07 Jun 2023 22:10:50 +0000

PetaLinux built successfully for the ADRV9009 and zc706 in our Remote Lab at Open Research Institute.

See the instructions here:https://github.com/OpenResearchInstitute/documents/blob/master/Remote_Labs/Working-With-FPGAs.md

Buildroot errors

Abraxas3d — Sun, 21 May 2023 20:44:56 +0000

Trying to build the mathworks buildroot SD card image for the zcu102. It fails with
fatal error: openssl/sha.h: No such file or directory

Building for the zc706 fails differently. Missing ELSE in OpenCV.

CW Tones from Hardware

Abraxas3d — Sun, 21 May 2023 00:25:08 +0000

CW tones coming from the new hardware. Sort of like a hello world for the development platform.

Buildroot Trouble

Abraxas3d — Thu, 18 May 2023 22:25:45 +0000

https://www.mathworks.com/matlabcentral/answers/1965389-errors-with-mathworks-buildroot-image-compilation

Uplink Protocol

Abraxas3d — Tue, 27 Dec 2022 22:09:34 +0000

Adding pyadi-iio code to run the ADC more directly from Opulent Voice codebase.

Happy Holidays

Abraxas3d — Sun, 25 Dec 2022 21:50:21 +0000

Happy Holidays!

It's been quite the year, hasn't it?