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  • July-05 2020 17:47:27

    This module will be used for presence detection activating a ventilator when the room temperature is over 22C. This is made possible when you connect this sensor to a esp board and integrate this with Home Assistant where the automation is created and maintained. This module is of high quality and I would recommend it to everyone.

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  • July-08 2020 02:43:31

    Tested positively until 3 meters, using Arduino's "NewPing" library, good precision. Mounted on a known distance, it can be used to measure sound's actual speed in the given air's temperature and humidity. Distances are meant from the forward border of the ultrasonic capsules: in the image, an example on 10 cm. Provato senza problemi fino a 3 metri di distanza, usando la libreria di Arduino "NewPing", con discreta precisione. Montato su una distanza nota, si può usare per misurare la effettiva velocità

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  • December-14 2020 13:49:38

    All well received in good condition.

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  • November-11 2020 08:18:27

    Amazing Product I recommend it 👌

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  • July-01 2020 03:10:20

    bien reçu, bien embalè, toute est en ordre un site a conseiller

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  • March-17 2020 22:12:52

    vamos a sonar ;)

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  • January-14 2021 22:27:20

    excellent

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  • October-22 2020 01:18:47

    good quality, fast delivery

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  • September-08 2020 14:29:16

    Works well with ESP32 and Arduino. Came is separate plastic bag.

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  • July-23 2020 17:12:38

    Received in good order and on time. I love when you guys use Buffalo logistic, they are quick. I haven't tested it but looks good so far.

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