Différences

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

--- start:arduino:mx1508 [2023/11/21 17:16] – [Code arduino Exemple] gerardadmin
+++ start:arduino:mx1508 [2023/11/21 17:35] (Version actuelle) – [Fiche technique] gerardadmin
@@ Ligne 24: / Ligne 24: @@
 ==== Fiche technique ====
-[[https://electropeak.com/learn/interfacing-mx1508-motor-driver-module-with-arduino/#|MX1508 : fiche technique EN]]
+[[https://components101.com/sites/default/files/component_datasheet/MX1508-DC-Motor-Driver-Datasheet.pdf|MX1508 : fiche technique EN]]
 ====Brochage du module pilote de moteur MX1508====
@@ Ligne 30: / Ligne 30: @@
 Ce capteur possède 10 broches :
-    *Vs : Alimentation du module (entrée)
+    *Vs : Alimentation du module (entrée --  2V à 9V6)
     *GND : terre
     *IN1 : Entrée 1
@@ Ligne 102: / Ligne 102: @@
 ==== Utlisation avec une bibliotheque ====
-[[https://github.com/Saeterncj/MX1508|Librairie MX1508]]
+[[https://github.com/Saeterncj/MX1508|Librairie MX1508 sur Github]]
+{{ :start:arduino:mx1508-master.zip |Librairie MX1508}}
+[[https://youtu.be/jntVTbv9dD0?si=G8QaQGi1mLOQHXns|Video utilisation Librairie MX1508]]
+==== Code utilisation librairie MX1508 ====
+<code c LibMX1508.ino>
+#include <MX1508.h>
+#define PINA 9
+#define PINB 10
+#define NUMPWM 2
+// MX1508 schematics(in Chinese) can be found here at: http://sales.dzsc.com/486222.html
+/*
+ * MX1508(uint8_t pinIN1, uint8_t pinIN2, DecayMode decayMode, NumOfPwmPins numPWM);
+ * DecayMode must be FAST_DECAY or SLOW_DECAY,
+ * NumOfPwmPins, either use 1 or 2 pwm.
+ * I recommend using 2 pwm pins per motor so spinning motor forward and backward gives similar response.
+ * if using 1 pwm pin, make sure its pinIN1, then set pinIN2 to any digital pin. I dont recommend this setting because
+ * we need to use FAST_DECAY in one direction and SLOW_DECAY for the other direction.
+ */
+MX1508 motorA(PINA,PINB, FAST_DECAY, NUMPWM);
+void setup() {
+  Serial.begin(115200);
+}
+/*
+ * Ramp up to pwm = 100, by increasing pwm by 1 every 50 millisecond.
+ * then ramp down to pwm = -100, by decreasing pwm every 50 millisecond.
+ * positive value pwm results in forward direction.
+ * negative value pwm results in opposite direction.
+ */
+void loop() {
+  // put your main code here, to run repeatedly:
+  static unsigned long lastMilli = 0;
+  static bool cwDirection = true; // assume initial direction(positive pwm) is clockwise
+  static int pwm = 1;
+  if(millis()-lastMilli > 50){ // every 50 millisecond
+      if (cwDirection && pwm++ > 100 ) {
+        cwDirection = false;
+      } else if (!cwDirection && pwm-- < -100) {
+        cwDirection =  true;
+      }
+    motorA.motorGo(pwm);
+    lastMilli = millis();
+    Serial.println(motorA.getPWM()); // we can just print pwm but just showing that member function getPWM() works.
+  }
+}
+</code>
+==== Differents exemples d'utilisation de la librairie MX1508 ====
+[[https://github.com/Saeterncj/MX1508/tree/master/examples| Exemples MX1508 Lib]]