Under "Firmware" you will find the .pde file (pre-V1.0 Arduino sketch) to load into the Arduino.
Under "src" you will find the Java program that runs on the PC to control the plotter.
Under "Firmware" you will find the .pde file (pre-V1.0 Arduino sketch) to load into the Arduino.
Under "src" you will find the Java program that runs on the PC to control the plotter.