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Portable CO2 Monitor: Final

·129 words·1 min
Portable CO2 Monitor - This article is part of a series.
Part 3: This Article

The Final Version
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This iteration uses my first custom designed PCB to house all components together. Although it is very simple, practicing PCB design will allow me to pursue more ambitious PCB-based projects in the future. Another benefit is the reduced case size by a few millimeters, which solves a clearance issue with the camera from the previous iteration.

Open case with cable below horizontally

Next Ambitions
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With this project done, I want to pursue more interesting projects like my Water Softener Automation idea.

Issues Faced
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You may notice the PCB is cut at the corners. This is because I did not account for the rounded corners in my CAD when designing the PCB. Because the case’s design is higher priority, I used cutters to snip off the PCB edges.

Images
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PCB with USB plugged in

PCB with snipped edges

Open case with MagSafe ring unassembled

Open case with back facing camera

Portable CO2 Monitor - This article is part of a series.
Part 3: This Article