If you hold a button down you’ll get the full command once, and 108ms later you’ll get a single start bit with a shorter 2.25ms gap. This is the repeat code. Very easy to handle in code too ...

The 486 that [someyob] is restoring had the Turbo button, but sadly there was ... In the GitHub repository, [someyob] has provided the Arduino source code and schematics showing how the ...