Firmware — Ats20

If your radio arrived from China last week, it likely has outdated firmware. Here is why you should flash a new version immediately:

Out of the box, the ATS-20 works well for basic AM/SSB listening. But many users encounter limitations: ats20 firmware

Custom firmware solves these problems by rewriting the control logic of the Si4732 chip. If your radio arrived from China last week,

The firmware manages a 0.96" or 1.3" OLED display (I2C protocol). Custom firmware solves these problems by rewriting the

While IU5JAE is the most popular, other developers have contributed:

The firmware provides access to the SI4732's internal Digital Signal Processing:

Here’s a short, interesting take on the ATS20 firmware — written in a style that’s part technical insight, part discovery log.

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