To compile the project, you can use the arduino-cli command. (Replace the --fqbn argument with the FBQN of your own board.) arduino-cli compile --fqbn arduino:megaavr:nona4809 To upload it to your ...
This is my first Arduino project and also my first project on github so please be patient with me. ;) The shutter tester seems to work resonably well for long exposures (1/250s or longer). I'm not ...