Hello all
I have a unipolar Sanyo Denki DC stepper with the following rating
Volt : 5.5v Current: 1.5A
Looking for Stepper drivers i came across ULN2003 chip which allowed me to run the motor with minimum circuitry through the parallel port on my PC( I'm not an electronics person, hence searched for the simplest option out there).
But the problem is the current output from ULN2003 is only 500mA.. and hence the torque from the motor is very low ( i can stop it very easily using my hand)
I searched for current amplification components n circuits but it all sounded a bit Greek to me...
So if somebody can guide me how to go about it..i will really appreciate it.
(if its of any help i came across this chip LMD18200 with current output of 3A...if its possible to drive the motor with any such chip that wud be wonderful)
Thx