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Raspberrypi stepper motor

erinjense·raspberrypi-stepper-motor-pcb

Raspberrypi stepper motor PCB layout, top view — open source Raspberry Pi board by erinjense
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About the Raspberrypi stepper motor PCB

Raspberrypi stepper motor is an open source Raspberry Pi PCB design by erinjense, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 65 × 56 mm, with 57 components from 15 distinct parts.

Its main chip is the Raspberry_Pi_Header, from the Raspberry Pi family. Other key parts include the PCA9557PW,118 and DRV8821DCAR. By type, the board carries 23 capacitors, 20 resistors, 6 connectors, 3 ICs, 2 switches and 1 diode.

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

From the project

Quad Stepper Motor PCB module for the Raspberry Pi single board computer.

This repository, "raspberrypi-stepper-motor-pcb", includes Open Source Hardware "DESGIN FILES AND GUIDES".

THE "DESIGN FILES AND GUIDES" ARE PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE "DESIGN FILES AND GUIDES" OR THE USE OR OTHER DEALINGS IN THE…

Raspberrypi stepper motor, from the project README
From the project README

Main components on the Raspberrypi stepper motor

PCA9557PW,118DRV8821DCAR

Raspberrypi stepper motor bill of materials (BOM)

57 components, 15 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
PCA9557PW,118
U1
2
DRV8821DCAR
U2, U3
1
Raspberry_Pi_Header
J1
1
Barrel_Jack
J2
4
1776266-4
J3, J4, J5, J6
2
10K
RV1, RV2
2
SW_DIP_x04
SW1, SW2
1
LED
D1
18
100nF
C1, C3, C4, C5, C6, C7, C8, C10 +10
1
100uF
C2
2
470nF
C9, C19
2
10nF
C13, C23
11
10K
R1, R6, R7, R8, R9, R11, R15, R16 +3
1
R_2.2K
R2
8
0.2
R3, R4, R5, R10, R12, R13, R14, R19

Raspberrypi stepper motor design files

The KiCad project lives in the erinjense/raspberrypi-stepper-motor-pcb repository on GitHub; these links point at the commit this page was built from.

Raspberrypi stepper motor: common questions

What microcontroller does the Raspberrypi stepper motor use?

The Raspberrypi stepper motor is built around the Raspberry_Pi_Header, from the Raspberry Pi family.

How big is the Raspberrypi stepper motor PCB?

The Raspberrypi stepper motor measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Raspberrypi stepper motor?

57 components, from 15 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Raspberrypi stepper motor design files?

From the erinjense/raspberrypi-stepper-motor-pcb repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Raspberrypi stepper motor design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which erinjense chose for the repository.

Can I test firmware for the Raspberrypi stepper motor without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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