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    • Overall Rating: 4
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 3
    2 DXPoints
    earned for this post
    basic sound detector

    posted by ScottJ on 01/04/2013 Certified Owner

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

    Pros:
    it works at digital on/off sound detector, and it's cheap. The 100K variable resistor is used to set threshold for 393 comparator chip. So the input sensitivity is adjustable.
    Cons:
    not amplified, so it's not very sensitive. At the greatest sensitivity, I was able to detect my hands clapping up to 2 meters....
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    good value for IR proximity detector

    posted by ScottJ on 01/03/2013 Certified Owner

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

    Pros:
    pulses IR LED for best sensitivity to IR detector. Very nice design, simple to use.
    Cons:
    no documentation. you must experiment to figure out how to use.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good Arduino Pro Mini

    posted by ScottJ on 03/23/2012 Certified Owner

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

    Pros:
    very small, works as Arduino 328P, using FTDI 3V serial cable. Includes single row headers, you must break and solder headers yourself.
    Cons:
    Some pins in non-standard location (A4, A5, A6, A7). Breakout connector does not fit FTDI or Sparkfun standard. Board is missi...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    works well

    posted by ScottJ on 04/25/2010 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    works we as ELM327 device. supports toyota camry 2002 (JP-1914?) and toyota avalon 2006 (CAN). very small, compact design.
    Cons:
    no led indicator, included software has virus (avast shows 'trojan-gen' in winsock dll). always draws power while connected (sm...
    View Detail » 
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