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  • Study on Residential Carbon Monoxide Pollution

    Thanks for choosing me to review and evaluate the portable air quality meter,  Carbon Monoxide detector/meter, MP780892 by MultiComp PRO. The title of my review is same as the submitted title of the proposal.

    I have divided this review in 7 parts (mentioned...

  • build request

    car security system mod
    • https://youtube.com/watch?v=m64JHAHjfAE
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  • Why does smoke from a soldering iron ALWAYS go towards your face???

    Today I've finally answered a question that's bothered me for a long time - if you've ever used a soldering iron, it FEELS like the smoke is ALWAYS blowing directly towards your face, but for years I wrote it off as confirmation bias. It's not. Th...
    • https://youtube.com/watch?v=exRgzJaB3D4
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  • Communication and Control Cable

    Low-Smoke, Zero-Halogen Choosing the right cable may be one of the most important safety decisions you can make. Common wire and cable insulating materials can emit toxic gases, toxic smoke, and toxic acids when they burn. Alpha Wire offers a complete…

  • Dog Bark (noise), Fire/Smoke, and Gas Notifier Prototype

    Started my prototype of these notifiers and tied it to OpenHAB: 1) Dog Bark Sensor Using a $3 sound sensor similar to this one, you can sense loud sharp noises. The ones with the larger diameter diaphragm might work better for sensitive sound detection…