Toxic Gas Sensor

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* http://www.rosiedaniel.com/2007/04/gas-sensors.html
* http://www.rosiedaniel.com/2007/04/gas-sensors.html
* http://itp.nyu.edu/physcomp/sensors/Reports/GasSensors
* http://itp.nyu.edu/physcomp/sensors/Reports/GasSensors
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= Proposal =
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* Sensors: cheap sensors made by a company called Figaro - one TGS2600 + one
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TGS2602. Available at Radiospares for roughly 30 Euro both (but I had bad
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experiences with them) and maybe Diltronic (someone should call)
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* Those sensors are already used by http://fridav.ljudmila.org (that's how we
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found them)
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* Based on a Fonera which could connect to the /tmp/lab wireless network and
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directly post results on the internet
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* Using SPI with Fonera: http://www.larsen-b.com/Article/262.htm
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* ADC: LTC2496 (I can bring an evaluation kit)
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* My LTC2496 driver for Linux: http://lekernel.net/ltc2496

Revision as of 19:32, 2 July 2009

Artificial nose? Helping industry trace their leaks? MRTG for toxic gas?

Welcome to the wonderful world of post-chemistry.

Sniffing

  • Carbon Monoxide (CO), Hydrogen (H)
  • Hydrogen (H), Ethanol (C2H6O), Iso-butane (CH3CH(CH3)2), Carbon Monoxide (CO), Methane (CH4)
  • Toluene (C7H8), Hydrogen Sulfide (H2S), Ethanol (C2H6O), Ammonia (NH3), Hydrogen (H)
  • Ethanol (C2H6O), Hydrogen (H), Iso-butane (CH3CH(CH3)2), Carbon Monoxide (CO), Methane (CH4)

Using

Proposal

  • Sensors: cheap sensors made by a company called Figaro - one TGS2600 + one

TGS2602. Available at Radiospares for roughly 30 Euro both (but I had bad experiences with them) and maybe Diltronic (someone should call)

found them)

  • Based on a Fonera which could connect to the /tmp/lab wireless network and

directly post results on the internet

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