Having extreme problems getting my stepper motor to go in reverse ! The problem I am having is getting my stepper motor to go from ClockWise (cw)to CounterClockwise (ccw)
Having tried numerous motors from known working units and various codes iot still only goes CW . The Setup I have is using an Arduino Uno coupled to TB6600 MicroStep Driver coupled to a Nema 17 (4Wire 17hdc4023-24b) variable DC power supply up to 9-24v 3Amp
I have used various codes by various composers which turns the Motor and i can control the speed and steps but only goes 1 way, I know the motor coils are set correct and by changing the A+ - around to B+- It will start and turn CCW but then wont change to CW
.
const int stepPin = 4;
const int dirPin = 6;
const int enPin = 11;
void setup() {
pinMode(stepPin, OUTPUT);
pinMode(dirPin, OUTPUT);
pinMode(enPin, OUTPUT);
digitalWrite(enPin, LOW);
}
void loop() {
digitalWrite(dirPin, HIGH); // Enables the motor to move in a particular direction
for (int x = 0; x < 800; x++) {
digitalWrite(stepPin, HIGH);
delayMicroseconds(500);
digitalWrite(stepPin, LOW);
delayMicroseconds(500);
}
delay(1000); // One second delay
digitalWrite(dirPin, LOW); //Changes the direction of rotation
for (int x = 0; x < 800; x++) {
digitalWrite(stepPin, HIGH);
delayMicroseconds(500);
digitalWrite(stepPin, LOW);
delayMicroseconds(500);
}
delay(1000);
}
Hi it is wired as common cathode sorry if its not clear in the Pic, I did wonder if connecting it up as a Common anode would solve my problem , its the only thing i haven't tried,
On your image it's missing dir- and pul-. No circuit is complete with just one wire.
Make a bridge from ena- to dir- and pul- , they all need to be connected to GND.
Your code is simple, I don't see anything wrong. I would try connecting DIR+ direct to +5V to see if that changes direction. I have known jumper wires to be open circuit.
I just ran the code with a stepper driver I have thats similar and I get CW and CCW rotation, so I would check you DIR pin and see as others have suggested
Are you absolutely sure that the coils are correct? When disconnected, is there continuity between the B-&B+ pair and separately between the A-&A+ pair? (And no continuity between the pairs?) Sometimes you can't go by color.
I can't follow the colors in the photo, and I don't have specs on you motor pins/colors anyway.
you are fantastic , on checking i was getting 5v on the DIR PIN dropping down to 0v as it went low but what i found on the Pul pin was also 0v so i checked the continuity on the wire and low and behold it had a break so after replacing the wire it performs as it should, so the problem is solved thanks to you, I can now move on with my life, thank you. Sue
Being a newbie I struggle to navigate the system, I thought i had marked the solution , in fact i KnoW i did but there must be another one some where, but thanks for the message.
