This is avi and am working on arduino uno, i was working on stepper motor driving using L298N, though program is proper and it is working on arduino uno, but when am trying to run the project on a general purpose PCB by following the same circuit schematics, the port pins are no longer working on uno board as well,
can anybody advice, about the following questions.
is it necessary to use resistor pack to connect the L298N input pins directly to the input port pins of the controller or we have to connect through any resistor pack to drive this stepper motor circuit.
the arduino circuit diagram schematics given in its website is same as the one i had designed, but still port pins are getting damaged or stops working.
3.what could be wrong ?
- following are the circuit schematics am working with.