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  • November-20 2020 15:05:32

    The item is for contact measurement, it has to be placed inside tank. If you want contactless measurement look for something else. Otherwise it works as described. The sensor head has to be in constant with liquid.

  • October-31 2020 03:17:17

    Very precise, works also with dirty water.

  • April-09 2018 16:15:33

    The sensor works fine. Finding the wiring Schema was a pain. 1 White goes to 5V 2 blue connect via resistor (220R) to 5V 3 yellow is Signal (Pull down via 4k7 resistor) 4 red is GND It would be much more according to standard if Red would be 5V white 5V via resistor blue GND and Yellow Signal ... especially having red as ground is strange ...

    Comments (3)
  • September-18 2017 21:54:35

    This sensor seems to be well made. It does not come with specs, so it is not clear how the cables are connected. It would be much better if, at least on the website, the colours of the cables would be assigned.

    Comments (5)
  • April-13 2018 06:52:27

    nice product for my hobby, si the next time maybe again. I need slways electric and the price is for me ok this time.Can say to everyone, buy it for a nice price here by Banggood. They have also so many other products for a nice price if need

  • January-19 2018 01:55:10

    low cost product but I need to ask again and again about wiring/connection to customer service. Why not all info available on product info page?

    Comments (1)
  • September-29 2019 20:45:53

    Excellent product Works perfectly. I am using it to get mail/phone call through IFTTT on sensing by using ESP8266.

  • February-21 2019 12:01:44

    Optical Liquid Level sensor. Ideal for most projects, far superior to a standard reed switch float switch.

  • December-12 2017 10:17:44

    Good products. Denis.

    Comments (1)
  • December-12 2017 10:07:56


    Comments (1)

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