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infrared sensor pir Customers Reviews

  • 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.
  • Great, but doesnt work with charger connected

    posted by whateshop

    Great, working as described. Only thing you need is to insert sim card (without PIN code I think) and call that sim card from your phone. Afterwards the number is connected with your PIR device and you can START and STOP working the device with 1 SMS.+ very sensitive
    It would be great if it would be able to work activated by sound. Now only PIR is present.
    It is very good and cheap, have not tested the battery yet...But as always chinese sentences and manuals are very funny ;)
  • Good item

    posted by Fixx

    PriceEasy to installGood reception of movementCan be build into custom housing
    Missleading information about light timeout. But can be adjusted if you are skilled with soldering gun. (see forum below)Default delay of this sensor is aprox. 40 seconds.
    Good item for this price.I'm using it as light switch for my hallway and I'm very satisfied. I managed to build it into ceiling and sensor is almost invisible and nicely fit into ceiling.
  • 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.

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