Next, while holding the ends together, try to spin the shaft of the stepper motor again. Now pick a random pair of wires from the motor and touch the bare ends together. Try to spin the shaft of the stepper motor by hand and notice how hard it is to turn. To find the two wires from one coil, do the following with the motor disconnected: In this case, the resistance is just 3.2 Ω. If you measure the 2 resistance of coil A1 and coil A2, it should be very small. So I use a multimeter! The coil A is not connected with coil B in a bipolar stepper motor. For example, the stepper motor I have and the stepper motor Jason gave me looks similar, and they can use the same mount, but they are wired differently. Sometimes, the stepper motors are manufactured with different standard and the order of the wire can be totally different. How do we know the stepper motor A1 A2 B1 B2 pins of a stepper motor? The only thing matters is that you should pair them into the right group. B1 B2 is for the Coil 2 of the stepper motor. A1 A2 is for the Coil 1 of the stepper motor. When we use a bipolar stepper driver, we can see its pin configuration has A1 A2 B1 B2. See this tutorial here: connecting stepper motors with different numbers of wires Or it might be a 6 wire with the two center taps tied together. But to use it with our drivers, we can just use 4 wires of the stepper motor. Stepper motor types from ITP physical computing site 4/6 wire steppers how to wire it to stepper driver?Ī typical stepper motor would have 4 wires. This project is maintained by jiaolyulu Stepper motor
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