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Firmware Dongle v3
OneSeventyFour edited this page May 15, 2026
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| Released | 2025-01 |
| Status | Historical — superseded by v4 |
| Pairs with receiver | v7+ |
| Predecessor | v2 |
| Notable | Migrated off RF24Mesh — direct point-to-point addressing. |
| File | Purpose | Download |
|---|---|---|
os4_dongle_v3.bin |
App partition. | Download |
os4_dongle_v3.bootloader.bin |
Chip bootloader. | Download |
os4_dongle_v3.partitions.bin |
Partition table. | Download |
os4_dongle_v3.boot_app0.bin |
OTA "next-app" pointer. | Download |
Migrated from RF24Mesh to pure RF24 with deterministic addressing. Removed the mesh routing overhead — the direct nRF24L01+PA+LNA range made mesh unnecessary, and the routing layer's failure modes were complicating debugging.
- Hard wire-protocol break with v2 and earlier (the mesh routing header is gone).
- Pair with receiver FW v7+.
Getting started
- Overview
- Desktop installers (macOS / Windows)
- macOS
- Linux
- Windows
- Production vs Development
- Connecting the dongle
- Flash a receiver
- Flash a dongle
- OTA flashing
Raspberry Pi
System overview
Subsystems
Hardware
- Receiver firmware
- Dongle firmware
- RF protocol
- Contributor Portal — BOMs, schematics, and board resources
UI walkthrough
Reference
Downloads
- Firmware
- Installers
Module Build & User Guides
- Cue
- Receiver
- Dongle