Looks like this might be a project…
Pin mapping is similar:
| Pin Name (Marlin) | Rambo | Einsey |
|---|---|---|
| SERVO0_PIN | 22 | 10 |
| SERVO1_PIN | 23 | N/A |
| SERVO2_PIN | 24 | N/A |
| SERVO3_PIN | 5 | N/A |
| X_MIN_PIN | 12 | 12 |
| X_MAX_PIN | 24 | N/A |
| Y_MIN_PIN | 11 | 11 |
| Y_MAX_PIN | 23 | N/A |
| Z_MIN_PIN | 10 | 10 |
| Z_MAX_PIN | 30 | N/A |
| Z_MIN_PROBE_PIN | 30 | N/A |
| FIL_RUNOUT_PIN | 5 | 62 |
| X_STEP_PIN | 37 | 37 |
| X_DIR_PIN | 48 | 49 |
| X_ENABLE_PIN | 29 | 29 |
| X_CS_PIN | N/A | 41 |
| Y_STEP_PIN | 36 | 36 |
| Y_DIR_PIN | 49 | 48 |
| Y_ENABLE_PIN | 28 | 28 |
| Y_CS_PIN | N/A | 41 |
| Z_STEP_PIN | 35 | 35 |
| Z_DIR_PIN | 47 | 47 |
| Z_ENABLE_PIN | 27 | 27 |
| Z_CS_PIN | N/A | 67 |
| E0_STEP_PIN | 34 | 34 |
| E0_DIR_PIN | 43 | 43 |
| E0_ENABLE_PIN | 26 | 26 |
| E0_CS_PIN | N/A | 66 |
| E1_STEP_PIN | 33 | N/A |
| E1_DIR_PIN | 42 | N/A |
| E1_ENABLE_PIN | 25 | N/A |
| X_MS1_PIN | 40 | N/A |
| X_MS2_PIN | 41 | N/A |
| Y_MS1_PIN | 69 | N/A |
| Y_MS2_PIN | 39 | N/A |
| Z_MS1_PIN | 68 | N/A |
| Z_MS2_PIN | 67 | N/A |
| E0_MS1_PIN | 65 | N/A |
| E0_MS2_PIN | 66 | N/A |
| E1_MS1_PIN | 63 | N/A |
| E1_MS2_PIN | 64 | N/A |
| DIGIPOTSS_PIN | 38 | |
| DIGIPOT_CHANNELS | 4,5,3,0,1 | |
| DIGIPOT_MOTOR_CURRENT | 135135135135135 | |
| TEMP_0_PIN | 0 | 0 |
| TEMP_1_PIN | 1 | 1 |
| TEMP_BED_PIN | 2 | 2 |
| TEMP_PROBE_PIN | N/A | 3 |
| HEATER_0_PIN | 9 | 3 |
| HEATER_1_PIN | 7 | N/A |
| HEATER_2_PIN | 6 | N/A |
| HEATER_BED_PIN | 3 | 4 |
| FAN_PIN | 8 | 8 |
| FAN1_PIN | 6 | 6 |
| FAN2_PIN | 2 | N/A |
| SDSS | 53 | 77 |
| LED_PIN | 13 | 13 |
| PS_ON_PIN | 4 | N/A |
| CASE_LIGHT_PIN | 46 | 9 |
| FILWIDTH_PIN | 3 | N/A |
| SPINDLE_LASER_PWM_PIN | 45 | 9 |
| SPINDLE_LASER_ENA_PIN | 31 | 18 |
| SPINDLE_DIR_PIN | 32 | 19 |
| MAX6675_SS_PIN | 32 | N/A |
| COOLANT_MIST_PIN | 22 | N/A |
| COOLANT_FLOOD_PIN | 44 | N/A |
| E_MUX0_PIN | 17 | 17 |
| E_MUX1_PIN | 16 | 16 |
| E_MUX2_PIN | 84 | 78 |
But it looks like Trinamic 2130 doesnt use digipots (but does use a similar SPI control for current,etc…).
With people upgrading Prusa I3mk3’s to MK3.9’s (new 32 bit controller board) might be worth the time to make it work…