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  • 2020-02-21 02:45:37

    ของมาส่งแล้ว ลองแล้วใช้งานได้ดี มีคุณภาพครับ

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  • 2018-03-20 08:28:08

    fast shipping within 18 days in india. item as described but not checked yet. nice packing but should be wrapped in bubble sheet as it contain electronics parts. recommend.

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  • 2017-12-30 06:44:17

    Received products in good condition. Well packed and worth for the money.

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  • 2018-07-12 03:59:12

    مستشعر حركة يعمل عن طريق الاشعة تحت الحمراء

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  • WillMk
    GR
    2018-05-09 02:04:13

    useful for a lot of projects arduino and raspberry pi friendly

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  • walas
    ES
    2018-03-16 18:37:46

    All good.. A fast shipping to Spain and the price is loss All ok 👍👍👍

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  • bavie
    IT
    2018-05-13 10:00:11

    di piccole dimensioni la parte in plastica si toglie facilmente ha dei trimmer per poter regolare durata di esercizio e sensibilità. prezzo ottimo!

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  • 2018-01-12 03:56:48

    Thank you very much!!!

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  • 2020-06-08 15:45:11

    This is a nice IR based motion detector module. Fairly low power consumption and very easy to use. Just connect the VCC and ground and you'll get a ~4V high logic signal from the middle pin when the sensor is triggered. Tthere are two trimmers on the board but I don't know what they are for (maybe sensitivity and delay?). I had to turn them counterclockwise almost all the way to get the sensor working as I expected.

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  • 2020-02-19 17:10:01

    Received shipment with 3Pcs HC-SR501 Human Infrared Sensor Module, fast enough. It's not damaged but it's ok to recommend. With regards, Miroslav Strott

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