
I have not used the product but noticed something after receiving the product. I should have figured it out by looking at the pictures and electrical connections. These are NOT stepper motors. These are DC motors with a gearbox. Each motor has only two connection terminals. This means they won't work for precise positioning. You can command it to move forward or backward for a specific amount of time, but you can't program it to move a precise distance/angle. In addition, the controller boards and motors appear to be of high quality. Will update when I can use them.

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