New reference pages covering the V2.4a reverse engineering: - Overview with architecture diagram and memory layout - Command dispatch: XOR pattern, two dispatchers, compound commands - Memory map: RAM variables, EEPROM layout, SFR definitions - I2C & synthesizer: RDA1846S communication, frequency programming - Source files: links to annotated assembly, C port, Python tools These document the 19,053-line annotated assembly and 12,020-line readable C port produced by Phases 1-3 of the RE project.
RS-UV3A Documentation
Documentation site for the HobbyPCB RS-UV3A VHF/UHF Tri-Band FM Transceiver.
Built with Astro and Starlight.
About the RS-UV3A
The RS-UV3A is a compact FM transceiver board designed by Jim Veatch (WA2EUJ) at HobbyPCB. It covers:
- 2m Band: 136–174 MHz
- 1.25m Band: 200–260 MHz
- 70cm Band: 400–520 MHz
Features include on-board USB-serial, wide-range DC-DC converter (3.5V–16V), and Arduino/Raspberry Pi compatibility.
Documentation Structure
- Getting Started — Quick start, connections, serial setup
- Guides — Voice operation, packet/APRS, beacons, repeaters
- Reference — Specifications, all 66 serial commands, connector pinouts
- Accessories — RS-UVPA 5W power amplifier
Development
# Install dependencies
npm install
# Start dev server at localhost:4321
npm run dev
# Build for production
npm run build
# Preview production build
npm run preview
Source Material
Documentation is based on official HobbyPCB manuals:
- RS-UV3A Rev A Manual
- RS-UV3 Command Reference (Firmware 2.4A)
- RS-UV3 Rev C Manual
- RS-UVPA Manual
Links
Description
Languages
JavaScript
29.6%
CSS
25.4%
MDX
24.6%
Makefile
11.7%
Dockerfile
6.3%
Other
2.4%