Most ATS20 radios use an Arduino-compatible microcontroller. To update:
Connect the radio to your PC via a USB cable (ensure your radio has a USB-to-serial chip like the CH340). The Software: Use the Arduino IDE or XLoader . ats20 firmware
The ATS20 firmware community is highly active. Users frequently share modified versions that change the UI colors (if using a compatible screen), add "favorite" station memories, or improve the AGC (Automatic Gain Control) for better performance during high-interference periods. Conclusion Most ATS20 radios use an Arduino-compatible microcontroller
Some versions include a rudimentary scan feature to find active frequencies across the shortwave spectrum. The "ATS20+" and "v2" Evolution The ATS20 firmware community is highly active
The (often based on the open-source work of Ricardo Caratti and later modified by others) bridges this gap by utilizing the full processing power of the onboard Arduino/Atmega328p chip. Key Features of Enhanced ATS20 Firmware