Firmware — Ats20
Choose a firmware version based on your needs. The ATS-20 typically comes with pre-installed.
Custom firmware introduces "speed-sensitive tuning." Turn the encoder slowly for 10 Hz steps (fine tuning for SSB) or spin it fast for 1 MHz jumps. ats20 firmware
When you buy an ATS-20, it usually arrives with the manufacturer’s default firmware. While functional, early versions were notorious for issues such as: Choose a firmware version based on your needs
The hardware architecture is documented through community-traced schematics, as factory versions are rarely released: Schematics : Traced diagrams for the ATS-20+ (GitHub PDF) ats20 firmware