HardLabs

RaspberryI2Cextender

chukhanhhoang·SoftRoboticSetupFesto·hardware/i2c_hat/RaspberryI2Cextender.kicad_pcb

RaspberryI2Cextender PCB layout, top view — open source Raspberry Pi board by chukhanhhoang

About the RaspberryI2Cextender PCB

RaspberryI2Cextender is an open source Raspberry Pi PCB design by chukhanhhoang, published on GitHub. It is a 2-layer board measuring 65 × 56.5 mm, with 18 components from 11 distinct parts.

Its main chip is the RASPBERRY_PI_2_3, from the Raspberry Pi family. By type, the board carries 13 connectors, 4 resistors and 1 diode.

From the project

Code for Raspberry Pi and Matlab/Simulink

1. Reproduction of the VEAB controller RPi hat

[](https://ieeexplore.ieee.org/document/9762137)

Caasenbrood, B, van Beek, F, Hoang Khanh, C, and Kuling, I. "A Desktop-sized Platform for Real-time Control Applications of Pneumatic Soft Robots". International Conference on Soft Robotics (RoboSoft), 2022, pp. 217-223, doi:10.1109/RoboSoft54090.2022.9762137.

RaspberryI2Cextender, from the project README
From the project README

RaspberryI2Cextender bill of materials (BOM)

18 components, 11 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RASPBERRY_PI_2_3
RPI
J1
1
QW1
J2
1
QW2
J3
1
VB1
QW3
J4
1
VB2
QW4
J5
1
QW5
J6
1
QW6
J7
6
Conn_02x04_Odd_Even
J8, J9, J10, J11, J12, J13
1
40V/3A
pwr
D1
1
1k
R1
3
4.7k
RN1, RN2, RN3

RaspberryI2Cextender design files

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

RaspberryI2Cextender: common questions

What microcontroller does the RaspberryI2Cextender use?

The RaspberryI2Cextender is built around the RASPBERRY_PI_2_3, from the Raspberry Pi family.

How big is the RaspberryI2Cextender PCB?

The RaspberryI2Cextender measures 65 × 56.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RaspberryI2Cextender?

18 components, from 11 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 RaspberryI2Cextender design files?

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

Can I use the RaspberryI2Cextender design in my own project?

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

Can I test firmware for the RaspberryI2Cextender 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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