Ats20 Firmware -
While the ATS_EX firmware is the standard, the community has developed other specialized firmware forks:
What is printed on your case (e.g., ATS-20, ATS-20+, SI4732)? What operating system do you use on your computer?
Because the ATS20 uses a small 0.91 or 0.96-inch OLED screen, standard text can be incredibly difficult to read. Specific community firmware variants overhaul the display layout, featuring massive frequency numbers and clear, readable status icons for battery life and volume. Technical Prerequisites for Flashing
Options to turn the display off to save power, and adjustment of the CPU frequency to reduce interference. Menu System: An advanced, easier-to-navigate settings menu. Pre-requisites for Firmware Installation ats20 firmware
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: Unlock bands that are restricted or missing in factory builds.
Below is a comprehensive guide and deep-dive article covering everything you need to know about the ATS20 firmware, including its features, upgrade benefits, and how to flash it. While the ATS_EX firmware is the standard, the
To help you get the best performance from your radio, let me know:
: Finer steps (as low as 10Hz) and improved SSB (Single Sideband) tuning logic. Better Display
Ricardo Caratti (PU2CLR) developed the backbone library that powers most ATS20 and SI4732 receivers. Firmware built on this library is known for its stability and excellent documentation. It is the gold standard for those who want a reliable, "no-nonsense" radio experience. 2. All-in-One (AIOC) Versions Pre-requisites for Firmware Installation This public link is
In Arduino IDE, go to Sketch > Include Library > Manage Libraries . Search for by Ricardo Caratti and click install.
| Feature | ATS-20 | ATS-20+ | | :--- | :--- | :--- | | | Arduino Nano (ATmega328P) | Arduino Nano (ATmega328P) | | Receiver Chip | Si4732 | Si4732 | | Charging Port | Micro-USB | USB Type-C | | Battery | 500mAh (often upgraded) | 500mAh (often upgraded) | | Case | Aluminum | Aluminum | | Display | 0.96" OLED | 0.96" OLED | | Frequency Range | FM, AM (MW/LW), SW | FM, AM (MW/LW), SW, SSB (LSB/USB) | | Firmware Capability | Stock or Goshante | Stock or Goshante | | Key Advantage | Original, well-documented design | Often has better RF front-end and modern USB-C port |
Here are the three major firmware branches:
