Wall Plotter Question

Projects General Guidance
1

Hi All

I'm New Here, i want to build a wall plotter and i found this project:

but i can't understand what to do with these files...

Please help

2

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.