Hela stepper motor lens to ordinary motor solution
For the four-phase stepping motor, it has four windings, set as: ABCD, as long as the four windings are energized in the order of: AB-BC-CD-DA-AB can be turned forward, press: The order of AB-AD-DC-BC-AB can be reversed when powered on. To achieve these functions, if you do not use a driver, you can use an application-specific integrated circuit, or use a universal integrated circuit with a driver circuit.