Physical Hardware & Smart Gadgets · Stretch
The air you are breathing
Counts the particles in the room and shows the number on a screen that needs no backlight. It tells you what a candle, a road and a vacuum cleaner actually do to the air.
- Parts
- $90
- Effort
- 9 days
You end up withA finished desk instrument, its case, and a week of recorded readings.
What you will use
- PMS5003
- Raspberry Pi Pico 2 W
- E-paper
- Fusion 360
Grounded in
Adafruit IoT Air Quality SensorAdafruit's own published build. The PMS5003 particle sensor is $39.95 on their catalogue, which is most of the bill of materials.
Enroll and build this — $950
You make the real choice at the end of week one.