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bootstrapin arduino-cli & digispark setup to quickly turn your attiny85 into a 2$ rubber ducky

arduino-cli is installed with curl so be sure to have curl installed on your machine, otherwise: sudo apt install curl

Usage

  • buy a digispark attiny85 microcontroller here or somewhere else
  • run setup.sh in the repo, basically it:
    • installs arduino-cli
    • set specific udev permissions in order to program the attiny85 microcontroller
    • installs specific depedencies so that arduino-cli can program the attiny85 microcontroller

Once your setup is done, edit your .ino project located in project/ and compile it as follow:

arduino-cli compile --fqbn digistump:avr:digispark-tiny project/

then upload it on your board:

arduino-cli upload --fqbn digistump:avr:digispark-tiny -p /dev/ttyACM0 project

NB: make sure that your project.ino is inside a folder of the same name (here project). Won't work otherwise.

You'll then have 60 seconds to plug in your USB attiny85 to upload the payload on it.

3D printing a case

The repo contains 3D models (in models/) to 3D print a case to make it look like an USB key.

A .blend to modify it with blender.

A .cbddlp in case you have an elegoo mars 3d printer.

Motivations

The official documentation doesn't provide a simple bash script to automate everything, so here it is. I was just fed up with clicking everywhere in the GUI to configure my computer & flash the device.

If it doesn't work goto troubleshooting :)

& thx to https://github.com/ArminJo/DigistumpArduino/ for the package_digistump_index.json