Most google path about driver with ATiny uK led to years 2014-1016
I search hardware-ready driver for software joy, have some experiences with AVR microcontrollers. PIC is allowed too.
Preferred non AMC7135 driver, buck or boost (have different LED-s), for 20mm 21700 device, 4-6A
But fine AMC7135 is ok too for testing.
ps. USA shops have significant delivery cost
Were I in your shoes, I would try talking to @thefreeman; he’s in the EU and has authored some amazing drivers.
Not sure if he has any available (he didn’t when I ask him about it a few weeks ago), but I would try contacting him anyway.
Small change in research.
Have some Convoys drivers good opinion to experiment with independent software ?
Not AFAIK: even Simon’s only (so far) Anduril driver lacks flashing pads, besides using a terribly outdated AT85 MCU.
But I would love to be proved wrong, as Convoys are otherwise just awesome.