All posts by Sanjana U



how to interface stepper motor with arduino

A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor’s position can then be commanded to move and hold at one of these steps without any position sensor for feedback (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed HOW TO INTERFACE A UNI_POLAR STEPPER MOTOR WITH ARDUINO hardware connections * The in_1,2,3,4 pins of the motor driver port is connected to the digital 2,3,4,5 pins of the arduino respectively . *connect the ground pin to the ground of the motor driver port to the ground of the arduino, and the negative terminal of the 5v  power supply to the other ground of the arduino (ensure that there is a  common ground between the arduino,motor driver port and the 5v power supply) connect the 5v power to the vcc of the motor driver *connect the 5 wires of the stepper motor to the motor driver port make sure that the red wire is connected to pin no 5 , yellow wire to pin no 4 , pink to 3 and blue to 2 of the arduino . programming the arduino There are 4 steps , in each…

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