HardLabs

Oxygen concentrator

RepRapLtd·Oxygen-concentrator·Electronics/o2-controller/o2-controller.kicad_pcb

Oxygen concentrator PCB layout, top view — open source AVR/Arduino board by RepRapLtd
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About the Oxygen concentrator PCB

Oxygen concentrator is an open source AVR/Arduino PCB design by RepRapLtd, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 68.6 × 53.3 mm, with 34 components from 6 distinct parts.

Its main chip is the Arduino_UNO_R3_Shield, from the AVR/Arduino family. By type, the board carries 13 connectors, 9 transistors, 9 resistors, 2 capacitors and 1 module.

From the project

Open source oxygen concentrator design

This is the RepRap Ltd repository for all the information, designs, and data for our open-source Oxygen Concentrator.

This design is not yet working. We think the problem is that the Zeolite has too much water in it. If you want to take this further, try drying the zeolite in an oven above 100oC, putting it in a sealed container, allowing it to cool, then loading it into the machine.

Oxygen concentrator, from the project README
From the project README

Main components on the Oxygen concentrator

Arduino_UNO_R3_Shield

Oxygen concentrator bill of materials (BOM)

34 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Arduino_UNO_R3_Shield
A1
9
DMN6075S
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +1
13
Conn_01x02_Male
J1, J2, J3, J4, J5, J6, J7, J8 +5
1
0.1uF
C1
1
220uF
C2
9
10K
R1, R2, R3, R4, R5, R6, R7, R8 +1

Oxygen concentrator design files

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

Oxygen concentrator: common questions

What microcontroller does the Oxygen concentrator use?

The Oxygen concentrator is built around the Arduino_UNO_R3_Shield, from the AVR/Arduino family.

How big is the Oxygen concentrator PCB?

The Oxygen concentrator measures 68.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Oxygen concentrator?

34 components, from 6 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 Oxygen concentrator design files?

From the RepRapLtd/Oxygen-concentrator repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Oxygen concentrator design in my own project?

Yes, under the terms of its GPL-3.0 license, which RepRapLtd chose for the repository.

Can I test firmware for the Oxygen concentrator without the hardware?

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

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