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pir infrared motion Customers Reviews

  • Great, but has no status information

    posted by PauliusB

    It is very easy to use and it works exactly as described. From system engineering point of view, it is constructed really well. MIC is very sensitive and broadcasts voice clearly.
    It could have some kind of status information. For example it could tell battery charge level over SMS. Or at least to send a SMS after turning security on or off.
    Great and cheap GSM PIR security system
  • Good economy

    posted by onekit

    Very useful thing. When I come home at evening and my hands are occupied with bags, light turn on automatically if it necessary.
    I think we must use that devices everywhere and it allow us to economy electricity effective.
    I construct it with regular plug and now any device can be connected. In ideal version device must looks like plug and only two wires to sensor. Other wires needn't. Just two plugs father and mother type.
  • A 21st Century Lightbulb

    posted by DendoRacing

    Easily automates the lights in your house. Sensitivity is good with a decent angle and range. Includes a light sensor so the lights do not come on during the day. Stylish design that looks better than a normal light bulb.
    Finally the light bulb has entered the 21st century. We have a multi-story house with many stairs and corridors. By installing these light bulbs I am able to safely walk from top to bottom without touching a light switch.
    A modern and stylish light bulb that will automate your house.
  • Light sensors works great; easy installation

    posted by cosmicray

    The device easily detects motions in its working range. The schematics on the device is very useful, though there is no instruction in English.
    Manufacturer would do a great job if the back of the device was covered by an insulating material.Also, there is no way to attach the device to the wall of ceiling. I managed to do it on the plastic ceiling by attaching it to a special bulb socket that was lacking a bulb.
    Although it's not perfect I highly recommend it to anyone, because it's very useful.
  • very good sensor, works very well with raspberry pi

    posted by zhuyi

    somewhat low cost, couldn't get the cheaper one from DX, had to order this.package is as usual DX standard. Very easy to understand the connections, +5V, Ground, signal out, can adjust the holding time and sensitivity. Detect distance is pretty good, tried at least 7-10 meters, no problem.
    This is a very good sensor for DIY project, I believe it's a standard template design, since the layout is the same as rest of the similar products all over the web.
    worth to buy, highly recommended.

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