Hardware and source files¶
The terraPen is open source. The mechanical design, the controller board and the firmware configuration are all published, so you can repair, modify or rebuild the machine yourself.
Mechanical¶
| Repository | What's in it |
|---|---|
| terraPen-mechanical-design-files | 3D files and bill of materials for the A2 coreXY plotter |
Electronics¶
| Repository | What's in it |
|---|---|
| ESP32_Plotter_Controller | The controller board — an ESP32 and TMC2130 two-axis design |
| z-axis-addon | Z-axis TMC2130 stepper driver add-on |
| fet_solenoid_driver | Solenoid driver, for earlier machines |
| 12v_servo_driver_module | Servo driver module |
Controller pinout¶
Useful when tracing a cable — the limit switches are J5 for X and J19 for Y.
Software¶
| Repository | What's in it |
|---|---|
| terraForge | The desktop app — see terraForge |
| fluidnc-config-files | Machine configurations — see YAML configuration settings |
| Lightburn-Profiles | Profiles for Lightburn |
| FluidNC | The motion control firmware the terraPen runs |
Everything else is at github.com/theworkisthework.