I am able to start my project anytime now and am getting a little concerned that I may not have fully understood the roles each segment of the hardware plays in producing the motion that I am looking for.
A powered Arduino Micro deliver pulses in time to the A4988 driver that is powered by a clean 5v coming out of the Arduino. The driver is also powered by an external power source of a voltage in the range of 8 to 35 volts in order to drive the 10v, 0.5A/Phase stepper motor.
The driver has a potentiometer onboard that can control/limit the output current to the stepper in order to allow me to exceed the stepper’s rated voltage so that I can drive it faster (at a higher step rate).
The pulse modulation signals of the controller are controlled by the user and through the programming of the controller.
If I program the controller for 1 step per minute, and if I don’t care about micro-stepping and thereby leaving the MS1, Ms2, and MS3 LOW 9disconnected), and if I don’t mess around with that Potentiometer, and if I deliver motor power in the specified range and through the driver, will I get the motor to turn at the speed that I want, 1 step per minute, 1.8 degrees per minute?
Can someone please help me understand what this means exactly: “Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates” and since this is advertized as a useful feature of the driver, how can I be sure what speeds are produced if I use it?
I have a 12v, 3A external power supply which is in the range specified for the driver and am trying to accurately run a 10v, 0.5A/phase motor.
Would anyone recommend a more simpler driver for a beginner?
Thanks in advance,