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sniffer

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sniffer assembly8 child itemsPCBA

ESP32 Air Quality Sensor with PMSA003 + BME680 and 1.14" LCD

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About

ESP32 Air Quality Sensor with PMSA003 + BME680 and 1.14" LCD

Electronics

License not specified

Build details

Difficulty: Intermediate
Parts estimate: $0 USD
Build time: ~1 hours

Estimates supplied with this release.

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Command line

git lfs install
git clone https://thingatlas.com/git/-unclaimed/sniffer-293007965.git

Includes Git history, branches, and Git LFS files. Clones the repository’s default branch, regardless of the version shown here.

master

master · selected037c8c2bc

sniffer-update7a54af604

thingatlas/import08df2c024

README.mdView source

Sniffer

Air quality sensor integration board that couples together the following modules:

ESP32 TTGO T-Display module
PMSA003 module
BME680 CJMCU module

I use this to track the AQI in my home. This sensor measures within 1% of 3x different PurpleAir sensors scattered around my neighborhood. The PMSA003 particulate air sensor module in this build should be an improved version the PMS5003 found in the PurpleAir sensors.

Combined with Home Assistant, InfluxDB, and Grafana I can track the long term air quality inside and outside my home.

Details

Blog post with more details

Order PCBs

Want to build one?

Visit the shared project on PCBWay for direct ordering.

Early PCB Assembly

Sniffer LCD Display

Google Photos Image Gallery

TODO

Hardware

Design Kicad schematic + PCB
Release Gerbers
Order PCBs from PCBWay (use my referral code "3549" to save $5)
Photograph real PCB + PCBA
Add pin labels to silk screen
Route out hole for TTGO T-Display battery connector so it fits flatter
Find someone to make a 3D printable enclosure

Software

Upload ESPHome YAML file