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ir sensor module Customers Reviews

  • universal little PIR for unbeatable price

    posted by RBMK9000

    There is all documentation for it: HC-SR501.You can connect CdS light sensor in it.It has two potentiometers and jumper pads so you can setup to suit your needs.The plastic lens is removable, so you can fit another or fit it differently.
    This is small PIR sensor with many settings and upgrade options, go for HC-SR501 an you can find schematic, datasheet, pretty much everything about it.
    Unbeatable must have for the price. Even if you don't have use for it now, you can learn everything about PIR technology on it without fear of blowing something expensive.
  • Nice, Simple & Cheap

    posted by cuzcatleco

    -Pequeño modulo sensor infrarojo.-Es de salida digital, recomendado usar con resistor pull-up-Buen precion'desde arduino, es un juego de niños manejarlo
    ...Cuando la version analoga ? tipo hc-sr04 pero infrarojo.
    ...buen sensor para robotica ! pueden verlo en accion en http://www.youtube.com/watch?v=TI0pETeEZLw&feature=youtu.beun robot movil....pronto tendremos mas.
  • Good for the price

    posted by owar

    I think that the relay is not the best solution.It should be replaced with mosfet so the circuit could work with 5V input.Another thing is that the delay can not be changed maybe with just some trimmer.
    For the price it is good but it could be better
  • ROBOX IR Obstacle Avoidance Sensor Module

    posted by Bencassar

    - Looks just like the image advertised. - Very small and compact. - Easy to use, header pins just slide into the breadboard or a connector.
    Nice color added to the PCB.
    The item must be revised and a better description in the webpage. Looks like a solid build and if tweeked a little could be just perfect.My bottom is that there are cheaper ( price ) sensors boards out there and this one for is price is quite modest and effective.
  • Very nice movement detector sensor

    posted by margrilo

    It is very simple to use. It is very cheap (although it has a cheaper similar sensor in here: http://www.dx.com/p/ir-infrared-motion-detection-sensor-module-dc-5v-20v-139624)It is well made.It has two calibrations (timer and sensitivity)
    Very easy to use instead.Just plug the 5V and GND pins and the output is a HIGH/LOW signal.If movement is detected, signal goes HIGH.For other documentation on this sensor circuit board, you might wanna check: HC-SR501 on google
    It's a very usefull sensor for a plenty of projects.So for this price you might take two or three to have it with you and just plug and use when it become necessary

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