DX  » Community » Reviews » Smart Car Speed Detecting Sensor Module for Arduino (Works with Official Arduino Boards)
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    • Overall Rating: 4
    • Price: 4
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Cheap, good quality sensor

    posted by netiness on 08/06/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    Filteret output, several mounting holes. Power led and signal led indicators, signal led indicates ir-bram is interrupted.
    Cons:
    LEDs are on the underside of the board;you will have to think carefully about installation if the LEDs are needed to be observed.
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 5
    • Ease Of Use: 3
    • Usefulness: 3
    2 DXPoints
    earned for this post
    cheap

    posted by surpriserom on 12/28/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    the high signal are filtered to prevent a double edge when something cut the IR signal, it have two led on it, one red for the power and a yellow one which is on when something cut the IR signal.
    Cons:
    you need to count each edge so it will use quit some of your processing, I will use a 74hc4040 8bits counter with a CAN to use ...
    View Detail » 
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