HardLabs

SEWCS

Aru123321·KiCad

This repository ships a schematic but no board layout.

About the SEWCS PCB

SEWCS is an open source Raspberry Pi PCB design by Aru123321, published on GitHub. It is a 2-layer board, with 28 components from 20 distinct parts.

Its main chip is the Raspberry_Pi_5_GPIO, from the Raspberry Pi family. Other key parts include the OPA380AID and ADS1115_Breakout. By type, the board carries 11 resistors, 5 diodes, 4 transistors, 4 capacitors, 2 ICs and 2 connectors.

Main components on the SEWCS

OPA380AIDADS1115_Breakout

SEWCS bill of materials (BOM)

28 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
OPA380AID
U1
1
ADS1115_Breakout
U2
4
2N7000
Q1, Q2, Q3, Q4
1
Raspberry_Pi_5_GPIO
J1
1
EXT_PWR_-3V3
J2
1
LED910L
D1
1
LED1085L
D2
1
LED1300L
D3
1
LED1600L
D4
1
FDG05
D5
1
2.2p
C1
2
100n
C2, C3
1
10u
C4
1
150
R1
1
180
R2
1
200
R3
1
220
R4
4
100
R5, R6, R7, R8
1
100k
R9
2
10k
R10, R11

SEWCS design files

The KiCad project lives in the Aru123321/KiCad repository on GitHub; these links point at the commit this page was built from.

SEWCS: common questions

What microcontroller does the SEWCS use?

The SEWCS is built around the Raspberry_Pi_5_GPIO, from the Raspberry Pi family.

How big is the SEWCS PCB?

The SEWCS has 2 copper layers and is 1.6 mm thick.

How many components are on the SEWCS?

28 components, from 20 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 SEWCS design files?

From the Aru123321/KiCad repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the SEWCS design in my own project?

The repository has no license, so all rights stay with Aru123321. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the SEWCS 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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