diff --git a/README.md b/README.md
index e55df7c..1d81d5a 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ In addition to the LoRa module, there are 5 RGB LEDs on the side, a qwiic/Stemma
 Feel free to submit a PR adding on to this list with your project that runs on the badge.
 
 - [Initial Meshtastic firmware](https://github.com/badgeteam/bornhack2025-meshtastic) ([Flasher tool](https://github.com/badgeteam/bornhack2025-flasher))
+- [Zephyr device tree](https://cyberchaos.dev/kloenk/bornhack-2025-badge) (no actually firmware, just support files)
 - _project name and link to more info_
 
 
@@ -34,4 +35,4 @@ The hardware design of the `main` branch of this repository is released under th
 * the "Creative Commons Attribution-ShareAlike 4.0 International License"
   (CC BY-SA 4.0) full text of this license is included in the LICENSE file
   and a copy can also be found at
-  [http://creativecommons.org/licenses/by-sa/4.0/](http://creativecommons.org/licenses/by-sa/4.0/)
\ No newline at end of file
+  [http://creativecommons.org/licenses/by-sa/4.0/](http://creativecommons.org/licenses/by-sa/4.0/)