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Stepper motor Driver Using AT2313 microcontroller


With this circuit you can drive a unipolar stepper motor. It operates in full step mode. You can get a stepper motor from an old 5.25 disk drive. The AVR attiny2313 micro controller controls the pulses for the stepper motor. The pulses are amplified by the ULN2003 driver. The driver accepts 5V inputs, the output for the driver is up to 30V so you can connect an stepper motor of up to 30V. With the two push switches you can drive the stepper motor CW or CCW.


The hardware consist of the AT2313 microcontroller which drives the ULN2003 driver and two push buttons to control the direction.


The program code is made with the AVR BASCOM compiler.



For more details, click: Steppermotor Driver Using AT2313 microcontroller

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