HiLetgo 5pcs A4988 Stepstick Stepper Motor Driver Module with Heat Sink for 3D Printer Reprap Suitable for Mendel Huxley Arduino

Ive used these in two of my printers and they work great. They obviously arent the quietest, fastest, or best option for everyone, but they are a fantastic choice for the price.

The 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.

Couldn’t get a full set that worked!

Really 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.

3 out 5 burned right out of electrostatic bag, all of them came out of the factory with corrosion.

3 of the h5 packages were already open. I have not tested but I am worried they are blown. :(

Works good made printer run again just didnt look if they were silent

Work well with small stepper.

Good so far, all 5 work.

Tried two. Both work with NEMA 17.