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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    General purpose LED driver

    posted by wirewrap on 01/27/2013 Certified Owner

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

    Pros:
    Useful building block for driving LEDs from low voltage DC or AC. Based on well known PT4115 chip, the data sheet for PT4115 is available on the net. The board can be easily modified, series resistor changed for other output currents, there is a PWM input o...
    Cons:
    The smoothing capacitor is rated at 25VDC. If you input 30VAC to the board the smoothing capacitor will be loaded beyond it's r...
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    • Overall Rating: 4
    • Price: 4
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good USB TTL converter

    posted by wirewrap on 01/27/2013 Certified Owner

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

    Pros:
    Does what it is claiming to do. Delivered with a bunch of nice jumper cables that can be used for other things. More signals brought out to connection points DTR data terminal ready, DCD data carrier detect (What it does I have not checked) RI ring indicat...
    Cons:
    Seems that the CP2102 does not have a unique identity for each chip so under Windows 7 I have not been able to use more than on...
    View Detail » 
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