Customer’s impression:
Great! Compact form factor Good efficiency
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  • Good quality, easy to use with Arduino

    posted by renoor on 05/17/2014
    2

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

    Pros:

    Good quality build, very easy to use after I figured ou how to wire it and set trimmers. To save your time here is the wiring:
    IN + - to DC power source
    OUT + - to your LEDs
    GND to controller's ground (i.e. Arduino)
    PWM to controller's PWM output, TTL logic, 0% duty cycle means full power, 100% duty cycle means fully off
    KEY can be left unconnected, turns off the output at TTL low level (i.e. 0V)

    CC trimmer limits maximum output current
    CV trimmer limits maximum output voltage

    Cons:

    - missing wiring diagram
    - definitely requires active cooling (fan) when operated near maximum rated current
    - could be a little cheaper

    OtherThoughts:

    based on XL4005E1 buck regulator

    Bottomline:

    I'd definitely recommend it

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