This project allows connecting an MPG pandant to an Arduino Nano to be used as a USB serial device.
Messages are terminated with \r\n.
| Message | Details |
|---|---|
READY |
Sent when first connecting and/or when ESTOP is reset. |
STOP |
Sent when ESTOP is triggered. |
STEP:1,1,1 |
Indicates a step action should be performed. The 3 comma-separated values are as follows (in order): axis index (1-12, X=1, Y=2, Z=3, etc), magnification (1, 10, or 100), step count. |
STEP and STOP commands are sent at most every 10ms.
| Wire Color | Signal | Const | Nano Pin |
|---|---|---|---|
| Red | +5V | 5V | |
| Black | 0V | GND | |
| Green | A | PULSE_A | D2 |
| White | B | PULSE_B | D3 |
| Purple | A̅ | ||
| Purple/Black | B̅ | ||
| Yellow | X | AXIS_1 | A2 |
| Yellow/Black | Y | AXIS_2 | A3 |
| Brown | Z | AXIS_3 | A4 |
| Brown/Black | 4 | AXIS_4 | A5 |
| Pink | 5 | ||
| Pink/Black | 6 | ||
| Gray | X1 | MAG_X1 | D10 |
| Gray/Black | X10 | MAG_X10 | D9 |
| Orange | X100 | MAG_X100 | D8 |
| Orange/Black | COM | GND | |
| Green/Black | LED(+) | LED_INDICATOR | D7 |
| White/Black | LED(-) | GND | |
| Blue | C | ESTOP | D6 |
| Blue/Black | CN | GND | |
| Fibrous | Shield |
