hv-programmer
There are 2 repositories under hv-programmer topic.
ArminJo/ATtiny-HighVoltageProgrammer_FuseEraser
Using an Arduino and 12 Volt to erase wrong ATtiny fuse settings by High-voltage Serial Programming
AndrejChoo/USBAsp_for_parallel_programming
A variant of the programmer USBAsp with the ability to program in parallel high-voltage mode.