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sensor module Customers Reviews

  • Works fine, no adjustment pot

    posted by ed2096

    Works as advertisedVery wide detection angle (120)Cover pops off if you don't want it5A relay useful for driving things like LED stripsSeparate wire for PIR sensor makes it more flexible
    Will stay on as long as there is movementNo protection against flipping on/off constantly (e.g. minimum off period)Consider another model that has an adjustment pot if you need itOnly tested relay using 12V source
    Cheap, worth buying if you can deal with minor limitations, easier than building your own
  • Works great

    posted by Oxyacetylene

    Very good price for an Arduino sensor module. You can probably adjust the sensitivity but it may work fine without adjustment, depending on your needs.
    The "out" pin is normally in an on or high state. In your Arduino code you will need to monitor for that pin switching to a low state. You will probably want to also add a slight delay following the pin state read operation so it does not register multiple events every time it detects something...unless that is what you want.
    Great sensor module that works. Easy to use once you figure out the "out" pin as stated above.
  • Great little sensor

    posted by madeinoz

    This is easy to use, plug it in to the arduino and works straight away. is sensitive to butane, hold a lighter near the sensor and rapidly responds, also has good recovery timeWell made, has both analog and digital outputs, digital output threshold can be adjusted with the built in pot.
    great and easy to use
    works as described, good quality
  • DIY 1-Way Sound Sensor Module for Arduino - Blue

    posted by fabio1964

    Verry cheap sond detection module for arduino projects with adjustable Gain for the mic to AO ratio at first i got almost no reaktion on the AO unles i made very high noices. But after som testing og trial an error type i found out that the gain was adjusteble.
    Nothing else to say, its very cheap but it works bad. I do not advise to buy this product.
    ok
  • Great Digital Temeparute Sensor

    posted by ksenchy

    This is a very cheap, but accurate ambient air temperature sensor (tough a waterproof metal case version also exists, same protocol and you can measure the temperature of liquids as well). It also has a very wide measurement range (-55 to 125°C). Above you can have several sensors using only one pin as it's based on the OneWire protocol for which you may find libraries... but what's the fun in that?!
    It is also awesome that it has an on board LED that allows you too see when the MCU requested the reading of the temperature.
    It's possibly the best performance/price sensor you can find on the market at this moment, so I think it's worth buying.

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