X-Git-Url: http://git.piffa.net/web?a=blobdiff_plain;f=basic%2Fpwm%2Fpwm_2_for_loop%2Fpwm_2_for_loop.ino;fp=basic%2Fpwm%2Fpwm_2_for_loop%2Fpwm_2_for_loop.ino;h=12e6e78f4054bc2753ae13711c71124c70486894;hb=e50f2cf8e7402ea56cd01835be9f88c53876bfd1;hp=0000000000000000000000000000000000000000;hpb=f7cdba7df419dcde095f911daa92deb9dcd283ec;p=sketchbook_andrea

diff --git a/basic/pwm/pwm_2_for_loop/pwm_2_for_loop.ino b/basic/pwm/pwm_2_for_loop/pwm_2_for_loop.ino
new file mode 100644
index 0000000..12e6e78
--- /dev/null
+++ b/basic/pwm/pwm_2_for_loop/pwm_2_for_loop.ino
@@ -0,0 +1,36 @@
+/*
+    LED for PWM
+ 
+ PWM per un LED: aumentare progressivamente la luminosita'.
+ Utilizzo di un ciclo iterativo: for loop
+ 
+ */
+
+int led = 9; // Pin per il PWM
+
+void setup()
+{
+  pinMode(led, OUTPUT);
+
+}
+
+void loop()
+{
+  for ( i = 0; i < 255 ; i++) { // Operatore ternario, 3 argomenti:
+  /* 1. definizione iteratore
+     2. limite iteratore
+     3. incremento operatore
+     */
+    analogWrite(led, i) ;
+    delay(5 );
+  }
+  // Ora l'inverso
+  for ( c = 255; c > 0 ; c--) {
+    analogWrite(led, c) ;
+    delay(5 );
+  }
+}
+
+
+
+