CNC shield v3 шилд Arduino UNO для управления шаговыми двигателями координатного станка

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Артикул: 17111503#A18-7 Категории: ,

Описание

CNC shield v3 шилд Arduino UNO для управления шаговыми двигателями координатного станка

Под драйверы A4988

Description:
This expansion board as a driver expansion board, can be used for engraving machines, 3D printers
It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors.

IO corresponding figure above

# define Z_STP 4 // z -axis stepper control

// Function : step . function: to control the direction of the stepper motor , the number of steps .
// Parameters : dir direction control , dirPin corresponding stepper motor DIR pin , stepperPin corresponding stepper motor » step » pin , Step number of step of no return value.
void step (boolean dir, byte dirPin, byte stepperPin, int steps)
{
digitalWrite (dirPin, dir);
delay (50);
for (int i = 0; i < steps;i++){
digitalWrite (stepperPin, HIGH);
delayMicroseconds (800);
digitalWrite (stepperPin, LOW);
delayMicroseconds (800);
}
}
void setup () {// The stepper motor used in the IO pin is set to output
pinMode (X_DIR, OUTPUT); pinMode (X_STP, OUTPUT);
pinMode (Y_DIR, OUTPUT); pinMode (Y_STP, OUTPUT);
pinMode (Z_DIR, OUTPUT); pinMode (Z_STP, OUTPUT);
pinMode (EN, OUTPUT);
digitalWrite (EN, LOW);
}
void loop () {
step (false, X_DIR, X_STP, 200); // X axis motor reverse 1 ring, the 200 step is a circle.
step (false, Y_DIR, Y_STP, 200); // y axis motor reverse 1 ring, the 200 step is a circle.
step (false, Z_DIR, Z_STP, 200); // z axis motor reverse 1 ring, the 200 step is a circle.
delay (1000);
step (true, X_DIR, X_STP, 200); // X axis motor forward 1 laps, the 200 step is a circle.
step (true, Y_DIR, Y_STP, 200); // y axis motor forward 1 laps, the 200 step is a circle.
step (true, Z_DIR, Z_STP, 200); // z axis motor forward 1 laps, the 200 step is a circle.
delay (1000);
}

Notice:
When inserting the A4988 module, must be careful not to
insert opposite. Stepper motor wiring as follows:
2A, 2B is a group (red, green), 1A, 1B is a group (blue, yellow),
if want to change direction, can be change the position of
one group , for example 2A, 2B mutually exchanged

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