Outdoor enclosure for PMS5003 Particulate Matter Sensor

thingiverse

I needed an enclosure for the the PMS5003 Particle sensor that would meet my needs: - slanted roof so rain/moisture rolls off - mesh covered inlets to prevent critters from making a home inside - anchor points for screwing into a pole / wall Inspired by [this](https://www.thingiverse.com/thing:4044492). A more comprehensive write-up about integrating the sensor in to a weather station is [here](https://karlquinsland.com/2020/08/adding-an-airborne-particulate-mater-sensor-to-ws3-weather-station/). The mesh filters are standard 19mm / .75 inch tobacco pipe filters available from any tobacco shop or amazon/ebay...etc. They're optional and can be secured with a bit of super-glue. There are three parts to print: - the main body - the base - the 'roof' The roof is optional but suggested for outdoor deployments. Two M3 screws between 6 and 12mm should be used to secure the base to the main body. I had best results with 10mm. The holes do not have any threading and are intentionally undersized a bit so the screw becomes self-tapping. For best results, use a lighter or similar to heat the screw up a bit before inserting to properly melt the plastic and form proper threads. This will also make it possible to use M4 or screws that are similar size. Glue can work if you've got no screws handy but that'll make things a bit harder to service. The base does have a small hole for cable egress which should should be sealed up with a bit of caulk or similar. Designed in Fusion360. Exported the three STL files and STEP files. While designing the enclosure, I used this [`PMS5003` model](https://grabcad.com/library/pms5003-2) from Leclercq Gregory.