Smart PM2.5 Air Purifier

cby clean_air·Today·10 parts·$126.40 est.

IoTSensors

PMS5003 PM2.5 / PM10 laser sensor4-speed DC motor controlAuto-sleep when AQI < 50OLED live AQI + VOC displayMQTT + Home Assistant

Summary

A DIY air purifier with 4 fan speeds triggered by PM2.5 readings, auto-sleep when air is clean, and MQTT integration so you can monitor air quality from anywhere.

Parts

Category	Parts	Cost
Electrical	8	$80.40
Mechanical	2	$46.00
Total	10	$126.40

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