Micro Air Pollution Sensing v5.1 Institute of Information Science, Academia SinicaNetwork Research Lab

Research assistantHu-Cheng, Lee

All that power in such a banal container

Micro Air Pollution Sensing

Power in the box

Fan

SHT25

7688 DuoLoRa

G5

BME280

Mainboard

Device Tmp. & Hmd.

Heat dissipation

LoRa module

PM1, 2.5 & 10

Environment Tmp., Hmd. & Prs.

Tmp. - Temperature (℃) Hmd. - Humidity (RH%) Prs. - Air pressure (hPa)

WiFiOnboard antenna

Micro Air Pollution Sensing

Not just a box, is a ShieldRP1135C

Water repellent

DC power in

PM sensor air out

PM sensor air in

Fresh air in

Heat air out

Size doesn't mean everything

Micro Air Pollution Sensing

Consistent performance

HumidityCV = 0.2↓

TemperatureCV = 0.04↓

Air pressureCV = 0.00055↓

PM2.5CV = 0.4↓

CV = Coefficient of Variation

Price and Size

All in a palm size

MAPS TSI AM510 TSI AirassureDimension (cm) 12.4 x 8.4 x 5.4 13 x 9.2 x 7 16.2 x 8.5 x 3.3

Weight 0.2 kg 0.46 kg 0.2 kgPM2.5 ✔ ✔ ✔

Temperature ✔

Humidity ✔

Pressure ✔

Extensibility ✔

NIC WiFi / LoRaPrice $4,000↓ $100,000↑ $30,000↑

That’s it, the MAPS

Small size

12.4 x 8.4 x 5.4 cm60% smaller from v1

40%

Protective case

Water repellent

Lower cost

Cost only 3% price of TSI AM510

(AM510: professional PM sensors)

Great power

consistent performance

H

LEnvironment sensing

Temperature, Humidity & Pressure

Pollution sensing

PM1, PM2.5 & PM10

Data transmit

WirelessWiFi / LoRa

Micro Air Pollution Sensing

One last thing

Coming soon

Data security OTA self-upgradeOpen source

Thank you

Micro Air Pollution Sensing

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