Firestarter is an application for the Relatively-Universal-ROM-Programmer
Get one here Relatively-Universal-ROM-Programmer
Python application Firestarter app
Install the Firestarter app
Then upload the firmware to an Arduino UNO:
firestarter fw --install
OR
Install PlatformIO
Install Firestarter on an Arduino UNO:
pio run --target upload
Quite a few.
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
Please make sure to update tests as appropriate.