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Stepper controller 5x3

janelia-kicad·stepper_controller_5x3

Stepper controller 5x3 PCB layout, top view — open source board by janelia-kicad

About the Stepper controller 5x3 PCB

Stepper controller 5x3 is an open source PCB design by janelia-kicad, published on GitHub under the Custom license license. It is a 2-layer board measuring 121.3 × 67.3 mm, with 65 components from 18 distinct parts.

Other key parts include the TMC429, BUFFER_TRI_STATE, SN74ABT541BDWR, MAX6817 and OPTOISO_2CHAN. By type, the board carries 23 capacitors, 16 resistors, 12 ICs, 6 transformers, 1 connector and 1 diode.

It belongs with the robotics & motion designs in this gallery.

From the project

- Repository Information - Description - Images - Schematic - Gerbers - Bill of Materials - PCB Parts - Supplemental Parts - Vendor Parts Lists - Supplemental Documentation - Assembly Instructions

- Repository Information - Description - Images - Schematic - Gerbers - Bill of Materials - PCB Parts - Supplemental Parts - Vendor Parts Lists - Supplemental Documentation - Assembly Instructions

- Name: stepper\controller\5x3 - Version: 1.3 - License: Open-Source Hardware - URL: - Author: Peter Polidoro - Email: peter@polidoro.io

This board controls up to 3 stepper motors with optional forward and reverse limit switches for each motor.

Stepper controller 5x3, from the project README
From the project README

Main components on the Stepper controller 5x3

TMC429BUFFER_TRI_STATESN74ABT541BDWRMAX6817OPTOISO_2CHAN

Stepper controller 5x3 bill of materials (BOM)

65 components, 18 distinct parts.

QtyPartRefs
1
TMC429
U1
4
BUFFER_TRI_STATE
U2, U4, U7, U10
1
SN74ABT541BDWR
U3
3
MAX6817
U5, U8, U11
3
OPTOISO_2CHAN
U6, U9, U12
1
PWR_JACK_2.5x5.5
P1
1
CLK_32MHZ
CLK1
1
MODULAR_DEVICE_BASE_5x3_MALE
MDB1
1
CONV_DC_DC_5V_1A
REG1
3
STEPSTICK
SS1, SS2, SS3
3
TERM_BLK_HDR_4POS_VERT_0.2IN
T1, T3, T5
3
TERM_BLK_HDR_4POS_VERT_0.150IN
T2, T4, T6
1
diode_schottky_45V_10A
D1
15
0.1uF
C1, C4, C5, C8, C9, C10, C11, C14 +7
5
10uF
C2, C3, C7, C13, C19
3
220uF_POL
C6, C12, C18
4
10.0k
R1, R2, R7, R12
12
845
R3, R4, R5, R6, R8, R9, R10, R11 +4

Stepper controller 5x3 design files

The KiCad project lives in the janelia-kicad/stepper_controller_5x3 repository on GitHub; these links point at the commit this page was built from.

Stepper controller 5x3: common questions

How big is the Stepper controller 5x3 PCB?

The Stepper controller 5x3 measures 121.3 × 67.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Stepper controller 5x3?

65 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Stepper controller 5x3 design files?

From the janelia-kicad/stepper_controller_5x3 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Stepper controller 5x3 design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

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