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Mary
> 24 hourFour out the five worked fine. The fifth one was all over the place when adjusts were made. Fortunately I only needed the four.
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Nhan A. Tran
> 24 hourI worked but I don’t like the heat sink they use the 3M double side tape to stick on the chips
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Sam Hammond
> 24 hourThe heat sinks are too big to install without worrying about causing a short by touching pins. Though, all chips like this have the same issue.
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Zachary
> 24 hourGood so far, all 5 work.
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Len
> 24 hourHeres what starred items Amazon wanted me to rate for these stepper drivers. Noise level? Adhesion? Warmth? The vendor should get on them for this nonsense and the poor ratings it might bring. I guess they know not what they sell! But Ill say in defense of the seller and the product that ... Thes are pretty generic, and these work as expected and the delivery was fast.
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JF31
> 24 hourfirst shipment didnt work, sending back, replacement on its way.
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ristlin
> 24 hour3 out 5 burned right out of electrostatic bag, all of them came out of the factory with corrosion.
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Brad Willett
> 24 hourworked right out of box. no bent pins
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M. Egan
> 24 hourReally wish these product listings came with a technical data sheet or instructions - I killed two of these drivers before figuring out that you CANNOT disconnect ANY motor pins while the driver is under power, otherwise you are likely to fry the circuit. Otherwise they work well, are very small, and are great for reducing motor control to only two pins.
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Jennifer Jenkins
> 24 hour3 of the h5 packages were already open. I have not tested but I am worried they are blown. :(