Download the .ino or .hex file from a reputable source like GitHub (search for "SI4735-Arduino-Library-master" by PU2CLR).
Updating the ATS20 firmware offers numerous benefits, including: ats20 firmware
Once you have mastered the firmware, consider pairing it with hardware mods for professional performance: Download the
Custom firmware solves these problems by rewriting the control logic of the Si4732 chip. ats20 firmware
Most "out of the box" ATS20 units come with basic, sometimes buggy, factory firmware. Updating to community-driven versions offers several transformative benefits: