HardLabs

Rubis

mzks·rubis·hardware/rubis.kicad_pcb

Rubis PCB layout, top view — open source Raspberry Pi board by mzks

About the Rubis PCB

Rubis is an open source Raspberry Pi PCB design by mzks, published on GitHub under the MIT license. It is a 2-layer board measuring 56.5 × 62.9 mm, with 14 components from 6 distinct parts.

Its main chip is the RaspberryPi4, from the Raspberry Pi family. Other key parts include the socket2_16 and ADS1115. By type, the board carries 4 switches, 4 capacitors, 3 modules and 2 ICs.

It belongs with the wearables designs in this gallery.

From the project

rubis board - ADC board for slow control

ADC board for 16 channels Slow Control on Raspberry pi. This repository provides board design and control software.

- Web watching demo It is easy to watch your sensors with rubis + Grafana

- Standalone - Inexpensive - Multi channels (16 ch) and additional connectors (4 ch) - Including CLI software (This!)

You need to connect the four GPIO pins arranged in a square (Pin 3 -- SDA, Pin 4 -- 5V, Pin 5 -- SCL, Pin 6 -- GND). - Circuit diagram - 3D view - KiCad files

Rubis, from the project README
From the project README

Main components on the Rubis

RaspberryPi4socket2_16ADS1115

Rubis bill of materials (BOM)

14 components, 6 distinct parts.

QtyPartRefs
1
RaspberryPi4
U1
1
socket2_16
U2
3
ADS1115
A2, A3, A4
1
ADS1115
ADS1115 - board 1
4
SMA
S1, S2, S3, S4
4
BNC
C1, C2, C3, C4

Rubis design files

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

Rubis: common questions

What microcontroller does the Rubis use?

The Rubis is built around the RaspberryPi4, from the Raspberry Pi family.

How big is the Rubis PCB?

The Rubis measures 56.5 × 62.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Rubis?

14 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Rubis design files?

From the mzks/rubis repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Rubis design in my own project?

Yes, under the terms of its MIT license, which mzks chose for the repository.

Can I test firmware for the Rubis 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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