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TAPR Open Hardware License

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Stepper Hat Trio V3.9

10 months ago 305
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

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.

Documents

Main Schematic

Stepper Hat V3.9 PCB

BOM

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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