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JimGat edited this page Sep 7, 2026 · 5 revisions

Support & Community

CYM Logo

CYM is a solo open-source project built and maintained by JimGat. If it's been useful to you, here are the best ways to stay connected, get help, or contribute back.

Community — LAB5

CYM grew out of the LAB5 ESP32 firmware ecosystem. LAB5 is where the NM-CYD-C5 hardware community lives, where beta testers hang out, and where the best ESP32-C5 embedded knowledge is concentrated.

CYM is not an official LAB5 project, but it is unofficially supported by the LAB5 community and has a dedicated thread on the LAB5 Discord for setup help, field tips, and development discussion.

→ LAB5 Discord — direct invite — join the CYM thread

→ lab5.eu.com — website and forums

Join the LAB5 Discord to:

  • Get setup help and field tips from people running the same hardware
  • Follow CYM development alongside the broader MonsterC5 / JanOS ecosystem
  • Share captures, case builds, and RF research
  • Report bugs and request features directly to JimGat

GitHub

Everything is open source. PRs welcome.

Resource Link
Repository github.com/JimGat/CYM
Bug reports & feature requests github.com/JimGat/CYM/issues
Latest release github.com/JimGat/CYM/releases
Web flasher jimgat.github.io/CYM

Contributing

CYM is built on ESP-IDF 6.0 with LVGL 8.4.0, targeting the ESP32-C5. If you want to contribute:

  1. Fork the repo and branch from main
  2. Build with idf.py build in the ESP32C5/ directory (see README for full toolchain setup)
  3. Test on real hardware — the only validation that matters is a running device
  4. Submit a PR against main

The project has active beta testers who catch hardware-specific bugs that no emulator would find. Real-hardware testing is the most valuable contribution you can make.

Credits

CYM exists because of a community of builders, testers, and RF researchers. Special thanks to:

  • @birolt29 — navigation consolidation, drone detector, wardrive overhaul, many hardware patches
  • RockBase-iot — NM-CYD-C5 and NM-RF-HAT hardware design
  • OyczE — MonsterC5 / JanOS ecosystem, approved the CYM name
  • LAB5 Team — ESP32-C5 firmware community this project was branched from — lab5.eu.com
  • Every person who has filed an issue, tested a dev build, or shown up in Discord with a real-hardware bug report

DeeDee

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