Rotary Unit for Epilog Zing lasercutter
Pin mapping for CN1 (10 pin connector)
This mapping is untested. Use at own risk!
| Pin # | function |
|---|---|
| 1 | V_motor |
| 2 | GND |
| 3 | 3.3V |
| 4 | 3.3V |
| 5 | GND |
| 6 | STEP |
| 7 | DIRECTION |
| 8 | ENABLE |
| 9 | GND |
| 10 | GND |
Other components in the picture
U1: 74LCX14 − Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs U2: A3987 stepper motor driver Resistor network RN1: 102 = 10kOhm
Resistor network RN2: 472 = 4.7kOhm
Backside
