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  • Very nice little L298 board

    posted by FakeName on 10/26/2012

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


    This is a very nice little L298 carrier board.
    It has (very bright) red status LEDs for the 4 inputs, as well as jumper-enable-able pull-up resistors on the inputs.


    The 78M05 onboard regulator overheats when you have high PWM frequencies, and supply voltages over ~20V. This can lead to very confusing intermittent failures. Fortunately, there is also a jumper to disconnect the onboard regulator, and you can supply an external 5V.


    Information on this board is available here:

    You can also use each half of each h-bridge separately. I actually used one of these to build a brushless motor driver, using 1 1/2 of the H-bridges.


    It's a very nice board for experimenting with an L298, or for use as a small motor controller.

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