Catégories
Liens
Ceci est une ancienne révision du document !
// http://aconcaguasci.blogspot.fr/2016/11/arduino-cnc-shield-control-stepper.html // current limit settings /* 70 * Current Limit = 0.7 * VRef * 2 = 1.4 * vref * nema 1.7 A * Vref = 1.7/ 1.4 = 1.2V * Test avec 9v . 06.01.2018 */ #define EN 8 //Direction pin #define X_DIR 5 #define Y_DIR 6 #define Z_DIR 7 //Step pin #define X_STP 2 #define Y_STP 3 #define Z_STP 4 // a9488 settings int delayTime=500; //Delay between each pause (uS) void step(byte stepperPin, int steps) { for (int i = 0; i < steps; i++) { digitalWrite(stepperPin, HIGH); delayMicroseconds(delayTime); // bloquant digitalWrite(stepperPin, LOW); delayMicroseconds(delayTime); } } void setup(){ pinMode(X_STP, OUTPUT); pinMode(Y_STP, OUTPUT); pinMode(Z_STP, OUTPUT); pinMode(X_DIR, OUTPUT); pinMode(Y_DIR, OUTPUT); pinMode(Z_DIR, OUTPUT); digitalWrite(X_DIR, HIGH); digitalWrite(Y_DIR, HIGH); digitalWrite(Z_DIR, HIGH); pinMode(EN, OUTPUT); digitalWrite(EN, LOW); } void loop(){ step(X_STP, 53); //X, Clockwise delay(1000); }