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المراجعات من بلدك فقط (Iraq)
  • July-30 2020 11:15:07

    All the pins are looking perfect and not bent!!! That’s great and I’ve tested the components, they work!!!

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  • July-27 2020 15:43:51

    Parecem muito bons na qualidade, não testei ainda, o melhor que recebi em 20 dias em Rondônia, Bangoog é a melhor na qualidade de entrega....

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  • April-15 2020 09:12:44

    nice

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  • April-18 2020 23:20:00

    Cheap and very useful for DIY robots.

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  • March-11 2020 13:08:13

    Fast delivery from UK warehouse. Works as expected. Quality is ok. I recommend.

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  • February-15 2020 06:43:15

    Good.

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  • November-21 2019 19:53:45

    The HC-SR04 sensor has 4 pins: Vcc (+ 5V), Trigger, Echo, GND. It sends a high pulse on the Trigger pin for at least 10 microseconds, at this point the sensor will send the sound ping and wait for the return of the reflected waves, the sensor will respond on the Echo pin with a high pulse of the duration corresponding to the travel of sound waves , after 38 milliseconds it is considered that no obstacle has been encountered. For safety we generally expect 50-60 millisecs to ensure that there is no

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  • April-09 2018 15:14:05

    Ein Teil dieser Ultra Sonic Senoren habe ich bei meinen Roboter Projekten ein gesetzt. Da leisten sie ausgezeichnete Dienste. Das Modul ist passgenau gearbeitet und fügt sich ohne Probleme in die Bausätze ein. Empfehlenswertes Produkt. ------------------------------------------------------------------------------------------------- I have used a part of these Ultra Sonic Senoren in my robot projects. They do an excellent job. The module is made to fit perfectly and fits easily into the kits. Recommended

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  • November-06 2019 12:49:43

    Very nice set of ultrasonic sensor modules. Easy to use and connect.

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  • October-11 2019 11:08:02

    fast delivery nice soldering work very satisfied

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