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  • Very good product

    posted by smarcelo on 08/02/2012
    4 0

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

    Pros:

    Works as expected.

    Extras:
    - Has a internal voltage regulator (7805) to provide 5v to circuit. You can enable or disable this voltage regulator with a jumper (5V_EN).
    - Very well done.
    - 1 led to indicate on/off state;
    - 4 leds to indicate motor direction (2 for each motor)
    - 2 jumpers (CSA, CSB) to current sensing for each motor;
    - 4 jumpers to fix direction of motor. (UR1~UR4)

    Cons:

    - No manual.
    - No schematic diagram.

    OtherThoughts:

    - You need remove the 4 jumpers (UR1~UR4) to use the IN1~IN4 inputs.
    - Using jumper 5V_EN, you can use the same supply power for logic and motor. And you can use this 5v to supply external circuit.
    - I tested with a DC motor.

    Bottomline:

    Very good product for DIY projects.

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