TAPR Open Hardware License
A stepped-motor controller for three steppers using Trinamics 2130 compatible "SilentStepSticks". Also supports upto two hobby servos and has two power FETs for on/off control of loads (including inductive ones). Can be used stand-alone using the ESP32 on-board which supports WiFi and a web-based UI when running the companion software called RBotFirmware The format is compatible with a Raspberry Pi HAT and jumpers allow the ESP32 to be commanded by the Pi.
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | RASPBERRYPI-B+-GPIO | JP1 | 2X20_NOSILK | 1 |
| 2 | Stepper1 | J1 | 1X04_NO_SILK | 1 |
| 3 | SERVO 1 | J9 | 1X03_NO_SILK | 1 |
| 4 | Stepper2 | J2 | 1X04_NO_SILK | 1 |
| 5 | DC Motor 2 | J23 | 1X02_NO_SILK | 1 |
| 6 | SERVO 2 | J10 | 1X03_NO_SILK | 1 |
| 7 | TSR_1-2450 | U7 | TSR-1 | 1 |
| 8 | 47uF | C3 | 1206 | 1 |
| 9 | MICROSD | J11 | MOLEX SD-503398-003-2 | 1 |
| 10 | SENSE 1 | J5 | 1X03_NO_SILK | 1 |
| 11 | SENSE 3 | J7 | 1X03_NO_SILK | 1 |
| 12 | SENSE 4 | J8 | 1X03_NO_SILK | 1 |
| 13 | SENSE 2 | J6 | 1X03_NO_SILK | 1 |
| 14 | DC Motor 1 | J22 | 1X02_NO_SILK | 1 |
| 15 | HAT Powers Pi | J15 | 1X02_NO_SILK | 1 |
| 16 | 5V Operation (no TSR 1-2450) | J4 | 1X02_NO_SILK | 1 |
| 17 | SERVO VOLTAGE | J12 | 1X03_NO_SILK | 1 |
| 18 | 47R | R9 | AXIAL-5.0X2.5(1/4W) | 1 |
| 19 | Stepper3 | J3 | 1X04_NO_SILK | 1 |
| 20 | SENSE UP/DOWN | J16 | 1X03_NO_SILK | 1 |
| 21 | Pi Tx | J13 | 1X03_NO_SILK | 1 |
| 22 | Pi Rx | J17 | 1X03_NO_SILK | 1 |
| 23 | SJ_NC | SJ1,SJ2,SJ3,SJ4,SJ5,SJ6 | SJ_NC | 6 |
| 24 | 1N4001 | D1,D2 | DO-41 | 2 |
| 25 | AOD484_C30764 | Q1,Q2 | TO-252-2 | 2 |
| 26 | SilentStepStick TMC2130 | U2,U3,U4 | SILENTSTEPSTICK | 3 |
| 27 | 74HC138 DIL | U6 | DIP254P762X508-16 | 1 |
| 28 | L4931CZ33-AP | U9 | TO-92 | 1 |
| 29 | COMBO_POWER_JACK_SLOT | JP3 | COMBO POWER JACK SLOT | 1 |
| 30 | TERMINAL_BLOCK_2_NO_SILK | P1 | PCB TERMINAL BLOCK NO SILK 5 MM | 1 |
| 31 | SD Card Alt | J19 | 1X04_NO_SILK | 1 |
| 32 | PINHD-1X14-NO-SILK | JP2 | 1X14_NO_SILK | 1 |
| 33 | RCLAMP0504S.TCT | D4 | SOT-23-6 | 1 |
| 34 | WEMOS D1 ESP32 Mini HW-665 WROOM-like | U1 | WEMOS D1 ESP32 | 1 |
| 35 | CON_HEADER_1X01_NO_SILK | J14 | M1X2_10_17_NO_SILK | 1 |
| 36 | 10K R ARRAY | U8,U5,U10 | RARRAY_4_COMMON | 3 |
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