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stepper motor module

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stepper motor module Customers Reviews

  • good product

    posted by fabio1964

    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.
    No manual. Can't see the reason for pull-up resistors on the inputs(see other thoughts). For security reasons I would put pullDOWN resistors, if any. Plastic parts of the screw terminals are somewhat loose on my board (I bought only one), but that does not caused any problem. Got the same problem with supplies over 20V as FakeName describes
    At this price it can't get any better! if you are looking for a great h-bridge to control couple motors this is a sure bet
  • Price is fair, but came without heatsinks.

    posted by skaravelhu

    They came already soldered, wich i think is very good for this kind of thing, since a wrong soldered pin can damage the whole thing and the whole controller board.Came with a nice plastic box, wich I think again that is very good, since it protected the pins from bending.
    Still not testes it with my printer, becouse it is not ready yet, but tested the pins for short-circuit and everithing looks OK.
    Maybe I had bad luck with the heatsinks. I buy from DX often and this is the first time I had a missing item. The product looks great, the same as on other places. If they work as expected I'll buy another kit for sure, and hope that this time it arrive with heatsinks.
  • Excellent quality breakout board

    posted by MattTheGeek

    Genuine TI ULN2003A Darlington transistor array IC. Socket to connect to a uni-polar stepper.All eight of the inputs and outputs to and from the transistor array are broken out.A on-board jumper (which is labeled "<->") to disconnect power to the stepper socket.
    Flux was not cleaned off the board, but i can clean it off my self. The module seems to be soldered with a mix of leaded and lead free solder. PCB edges have been sanded to a smooth edge, No rough edges. The PCB thickness is standard (1.6mm)The module was packaged well, with static dissipative foam protecting the headers, and a static shield bag to wrap it all up.Others may like the LED, but i find them unnecessary.
    While the IC is relatively cheap and requires no external components to work, the breakout provides a socket for connecting it to a uni-polar stepper. For this price, Just buy it. While this is designed to drive uni-polar steppers, it can be used for many other applications.
  • Drives motors OK

    posted by pc00007

    The board isn't too big and is simple to use. The on/off button is useful and there is no problem driving motors.The construction looks ok with no obvious visual defects
    There are no schematics supplied with the board. I'm not sure what the LED problem might be without schematics as I can't see without dismantling the board.
    The board is cheap, looks ok, and mostly it works ok.

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