high-voltage-serial-programmer
There are 3 repositories under high-voltage-serial-programmer topic.
felias-fogg/RescueAVR
An Arduino sketch that is able to do high-voltage programming in order to resurrect bricked AVR MCUs(in addition, you need a bit of HW on a breadboard)
wagiminator/ATtiny84-TinyHVSP
High-Voltage Serial Programmer and Fuse Resetter
ArminJo/ATtiny-HighVoltageProgrammer_FuseEraser
Using an Arduino and 12 Volt to erase wrong ATtiny fuse settings by High-voltage Serial Programming