An Arduino (Uno) shield for two stepper-motors, one Servo motor, and an alternative output. For the SphereBot, another Egg-Bot derivative.
This SphereBot is built with a retired Sparkfun Arduino Ethernet Pro board and the steppermotors from a 2009 Makerbot. Firmware and host sw (fork) from thunderbug1.
Download the Eagle schematics and board (ZIP 100kB).
Shield pin usage:
| Signal | Pin |
|---|---|
| X-EN | 11 |
| X-STEP | 12 |
| X-DIR | 13 |
| Y-EN | 5 |
| Y-STEP | 6 |
| Y-DIR | 7 |
| SERVO | 10 |
| ALT | 2 (FET switches 5V on/off) |
