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Sensor

Use

Data

Ruler stuck in snow (yes, really - sometimes lowtech is best)

Measures: snow depth

Cost: very low

Usability: very high

Community: WNYC

Frequency per station: 1 per day

Number of stations: 100s per deployment

Data store: website (e.g. WNYC’s snowfall map)

Wifi-enabled weather station 

Measures:

Cost: high

Usability: high

Community: Weather Underground PWN

Frequency per station: 1 per 14 seconds

Number of stations: 1s per deployment

Data store:

Temp/humidity alerting system 

Measures: temperature, humidity

Cost: Medium

Usability: high

Community: wine nerds!

Frequency per station:

Number of stations: 1s per deployment

Data store:

Air Quality Egg 

Measures: air quality (NO2, CO)

Cost:

Usability:

Community: Sensemakers meetups

Frequency per station:

Number of stations:

Data store:

Node 

Measures: 9 degree-of-freedom motion sensor (accelerometer, gyroscope, magnetometer), LED-based colour sensor, weather sensor (humidity, light level, temperature, barometric pressure), infrared thermometer, gas sensors (CO, NO, NO2, CI2, SO2 or H2S).

Cost: medium ($150)

Usability: high (bluetooth to phone)

Community:

Notes: 1” by 2.75”, has interchangeable sensors

Frequency per station:

Number of stations: 1s per deployment

Data store:

Citizen Sensor 

Measures:

Cost:

Usability: high (mobilephone and static versions available)

Community:

Frequency per station:

Number of stations:

Data store:

Asthmapolis 

Measures: air quality, inhaler use

Cost:

Usability: high (built into asthma inhaler)

Community:

Frequency per station:

Number of stations:

Data store:

Copenhagen Wheel

Measures: GPS, CO, NOx, noise, relative humidity, temperature.  

Cost: high ($100s)

Usability: high (part of bike wheel)

Community:

Frequency per station:

Number of stations:

Data store:

Grove Dust Sensor 

Measures: dust particles (pm2.5)

Cost:

Usability: low (is a component, but kit is available on publiclab.com)

Community: Internews journalists (trial)

Frequency per station:

Number of stations:

Data store:

Grove gas sensor 

Measures: combustible gas, smoke, alcohol vapor, LPG, natural gas, town gas, carbon monoxide, coal gas, liquified gas

Cost:

Usability: low (is a component)

Community:

Frequency per station:

Number of stations:

Data store:

Grove HCHO gas sensor 

Measures: formaldehyde, benzene, toluene 

Cost:

Usability: low (is a component)

Community:

Frequency per station:

Number of stations:

Data store:

Geiger counter(s) 

Measures: radiation

Cost: medium

Usability: very high

Community:RadiationNetwork 

Frequency per station:

Number of stations: 100s

Data store:

Water PH sensors

Measures: PH levels in Water

Cost:Medium

Usability: moderate

Community: Water Quality

Frequency per station: 1/Day or Hour

Number of stations: Possibly Several to detect and locate chem spills, algae blooms, etc

Data store: Data Loggers

Dissolved O2 Sensors

Measures: O2 levels in Water

Cost: Medium

Usability: moderate

Community: Water Quality

Frequency per station: 1/Day/Hour

Number of stations: few

Data store:


 

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