Well, I just killed another one.
But I’ve learned a few things.
Double tapping the reset button puts the board into bootloader mode without having to run commands from the cli. In bootloaded mode D13 will slowly cycle the voltage up and down. The is useful as if you attach an LED (and resistor) to that pin you can see it “breath” to indicate you’re in the correct mode.
The killing of the device seems to of occured because I accidentally used an incorrect version of bossac to copy the binary across. I have several versions installed as I’m using a few different boards at the moment. After this has happened, the board will no longer enter bootloader mode, nor will it show up as a device when connected to my computer.
Is it possible to get it back to bootloader mode (even if using additional hardware), or is the device now bricked?