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Ci-dessous, les différences entre deux révisions de la page.

--- materiel:uln2003:accueil [2018/03/15 16:03]
resonance [StepperMotor LIB]
+++ materiel:uln2003:accueil [2019/01/30 10:23] (Version actuelle)
resonance [simple code avec lib stepper]
@@ Ligne 10: / Ligne 10: @@
 {{youtube>Sl2mzXfTwCs?large}}
+===== Exemple =====
+<code cpp>
+/*
+   BYJ48 Stepper motor code
+   Connect :
+   IN1 >> D8
+   IN2 >> D9
+   IN3 >> D10
+   IN4 >> D11
+   VCC ... 5V Prefer to use external 5V Source
+   Gnd
+   written By :Mohannad Rawashdeh
+  https://www.instructables.com/member/Mohannad+Rawashdeh/
+/9/2013
+  */
+#define IN1  8
+#define IN2  9
+#define IN3  10
+#define IN4  11
+int Steps = 0;
+boolean Direction = true;// gre
+unsigned long last_time;
+unsigned long currentMillis ;
+int steps_left=4095;
+long time;
+void setup()
+{
+Serial.begin(115200);
+pinMode(IN1, OUTPUT);
+pinMode(IN2, OUTPUT);
+pinMode(IN3, OUTPUT);
+pinMode(IN4, OUTPUT);
+// delay(1000);
+}
+void loop()
+{
+  while(steps_left>0){
+  currentMillis = micros();
+  if(currentMillis-last_time>=1000){
+  stepper(1);
+  time=time+micros()-last_time;
+  last_time=micros();
+  steps_left--;
+  }
+  }
+   Serial.println(time);
+  Serial.println("Wait...!");
+  delay(2000);
+  Direction=!Direction;
+  steps_left=4095;
+}
+void stepper(int xw){
+  for (int x=0;x<xw;x++){
+switch(Steps){
+   case 0:
+     digitalWrite(IN1, LOW);
+     digitalWrite(IN2, LOW);
+     digitalWrite(IN3, LOW);
+     digitalWrite(IN4, HIGH);
+   break;
+   case 1:
+     digitalWrite(IN1, LOW);
+     digitalWrite(IN2, LOW);
+     digitalWrite(IN3, HIGH);
+     digitalWrite(IN4, HIGH);
+   break;
+   case 2:
+     digitalWrite(IN1, LOW);
+     digitalWrite(IN2, LOW);
+     digitalWrite(IN3, HIGH);
+     digitalWrite(IN4, LOW);
+   break;
+   case 3:
+     digitalWrite(IN1, LOW);
+     digitalWrite(IN2, HIGH);
+     digitalWrite(IN3, HIGH);
+     digitalWrite(IN4, LOW);
+   break;
+   case 4:
+     digitalWrite(IN1, LOW);
+     digitalWrite(IN2, HIGH);
+     digitalWrite(IN3, LOW);
+     digitalWrite(IN4, LOW);
+   break;
+   case 5:
+     digitalWrite(IN1, HIGH);
+     digitalWrite(IN2, HIGH);
+     digitalWrite(IN3, LOW);
+     digitalWrite(IN4, LOW);
+   break;
+     case 6:
+     digitalWrite(IN1, HIGH);
+     digitalWrite(IN2, LOW);
+     digitalWrite(IN3, LOW);
+     digitalWrite(IN4, LOW);
+   break;
+   case 7:
+     digitalWrite(IN1, HIGH);
+     digitalWrite(IN2, LOW);
+     digitalWrite(IN3, LOW);
+     digitalWrite(IN4, HIGH);
+   break;
+   default:
+     digitalWrite(IN1, LOW);
+     digitalWrite(IN2, LOW);
+     digitalWrite(IN3, LOW);
+     digitalWrite(IN4, LOW);
+   break;
+}
+SetDirection();
+}
+}
+void SetDirection(){
+if(Direction==1){ Steps++;}
+if(Direction==0){ Steps--; }
+if(Steps>7){Steps=0;}
+if(Steps<0){Steps=7; }
+}
+</code>
+=====simple code avec lib stepper =====
+<code c+>
+#include <Stepper.h>
+const int stepsPerRevolution = 32*64;
+// (step,1N2,1N4,1N3,1N1)
+Stepper myStepper(stepsPerRevolution, 9, 11, 10, 8);
+void setup() {    }
+void loop() {
+    myStepper.setSpeed(10);  //vitesse entre 0 et 15
+    // 100 step = 2048
+    myStepper.step(2048);
+    delay(1500);
+    myStepper.step(-2048);
+    delay(1500);
+}
+</code>
 ===== StepperMotor LIB =====
+  * Creer un dossier StepperMotor dans /User/..../Arduino/libraries
+  * copier StepperMotor.h et StepperMotor.cpp dedans
 <code cpp>
+// StepperMotor.h
 #ifndef Stepper_h
 #define Stepper_h

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