Ats20 Firmware

Click the Verify (checkmark) button to ensure there are no errors, then click Upload (arrow) to flash the firmware.

Updating the firmware on an radio is the single best way to improve its usability, as the stock firmware (typically version 1.1.5) is often considered functional but basic. Popular Firmware Options ATS_EX (Goshante)

If you downloaded a firmware zip containing a flash.bat file:

Go to and select ATmega328P (Old Bootloader) . Most ATS-20 clones use the old bootloader. Select the correct COM Port . Upload : Open the .ino sketch and click the Upload arrow. Method 2: Using Flash.bat (Binary Method) ats20 firmware

Japanese developer jh4vaj maintains a MOD of Goshante's firmware that includes noise reduction at startup, an FM stereo indicator, and memory functions for FM stations. He also fixed a 9kHz scanning issue on the medium wave band for his local region.

: Follow the command prompt instructions to enter your COM port number and start the update. ⚠️ Troubleshooting Common Issues

Note: The IU5JAE firmware requires the "Plus" version of the radio (ATS-20+) or a specific hardware modification (adding a 3.3V level shifter) for the original ATS-20. Click the Verify (checkmark) button to ensure there

Have you flashed your ATS20? Share your experience and favorite firmware build in the comments below.

Open command prompt and run:

However, the core principle remains the same: by controlling the microcontroller, you control the radio. This is where custom firmware comes in. Most ATS-20 clones use the old bootloader

Download your chosen ATS20 .ino firmware file from a trusted community repository (such as GitHub). Open the file in the Arduino IDE.

The most exciting feature added by firmware like PU2CLR's SSB library is a rudimentary . Using the radio’s internal ADC, the screen can display a live waterfall of signals up/down the band.

Warning: Flashing firmware carries a slight risk of bricking your device if done incorrectly. Ensure you follow these steps carefully.

Once completed, disconnect the USB, turn the radio off, and then back on.