PIN_DEF.txt

Pin Definitions for MRR ESPE
----------------------------

ESP32 pins
0: unused (IO0; must not be pulled low for normal bootup)
1: TX
2: HEATER_0_PIN
3: RX
4: HEATER_BED_PIN
5: SS_PIN (SDSS)
12: Z_DIR_PIN
13: FAN_PIN
14: Z_STEP_PIN
15: Z_MIN_PIN
16: E0_STEP_PIN
17: E0_DIR_PIN
18: SCK_PIN
19: MISO_PIN
21: unused (SDA)
22: unused (SCL)
23: MOSI_PIN
25: X_ENABLE_PIN (shared with Y, Z, and E0)
26: X_DIR_PIN
27: X_STEP_PIN
32: Y_DIR_PIN
33: Y_STEP_PIN
34: X_MIN_PIN
35: Y_MIN_PIN
36 (VP): TEMP_0_PIN
39 (VN): TEMP_BED_PIN