Tuhin
Newbie level 2
hi,
i am driving a stepper motor using AT89C52 . i have made the stepper motor driver card usnig power transistors(2N3055), driver transistors and diodes(IN4008)
my problem is that on switching on the power supply ,the stepper motor is not receiving the pulses from the microcontroller.
mine is a 12V , 0.675A/Phase 5kgf stepper motor.
i have checked the driver card and the power supplies separately and they are working fine.The motor is also OK.
As soon as i connect the 12V power supply and give vcc to the controller, The whole system stays in reset mode. i dunno why?? and the terminal to which i've attached the power supply (on the driver card) shows only 0.3V on checking with a multimeter(it should show around 12V)
i've connected the motor card with port pins 3.0,3.1,3.2,3.3. Ive simulated the program and tried it on other motors and the program is also working fine.
if i don't connect the stepper motor, all the other port pins work accordingly but as soon as i connect the motor to the port pins as mentioned above, the other port pins stay high on power on,i.e. i feel they are in reset mode.
i am an amateur and i am not able to find out the solution.
PLZ HELP AS THIS THING IS VERY IMPORTANT FOR MY FINAL YEAR COLLEGE PROJECT(deadlines are announced)
i am driving a stepper motor using AT89C52 . i have made the stepper motor driver card usnig power transistors(2N3055), driver transistors and diodes(IN4008)
my problem is that on switching on the power supply ,the stepper motor is not receiving the pulses from the microcontroller.
mine is a 12V , 0.675A/Phase 5kgf stepper motor.
i have checked the driver card and the power supplies separately and they are working fine.The motor is also OK.
As soon as i connect the 12V power supply and give vcc to the controller, The whole system stays in reset mode. i dunno why?? and the terminal to which i've attached the power supply (on the driver card) shows only 0.3V on checking with a multimeter(it should show around 12V)
i've connected the motor card with port pins 3.0,3.1,3.2,3.3. Ive simulated the program and tried it on other motors and the program is also working fine.
if i don't connect the stepper motor, all the other port pins work accordingly but as soon as i connect the motor to the port pins as mentioned above, the other port pins stay high on power on,i.e. i feel they are in reset mode.
i am an amateur and i am not able to find out the solution.
PLZ HELP AS THIS THING IS VERY IMPORTANT FOR MY FINAL YEAR COLLEGE PROJECT(deadlines are announced)