X-Git-Url: http://git.piffa.net/web?a=blobdiff_plain;f=basic%2Fpwm%2Fpwm_1_while_byte%2Fpwm_1_while_byte.ino;h=fed4e7f0e70c8c96bf4583e680aa5c53966cfcbc;hb=3b78d813afb2e27ed29faa261570d2eeb8d5068d;hp=3f6de46b36120d0d952e0a0a8fff6bc7ff9631b9;hpb=f1049e58baf973e21c716ef697458b1384f02b78;p=sketchbook_andrea

diff --git a/basic/pwm/pwm_1_while_byte/pwm_1_while_byte.ino b/basic/pwm/pwm_1_while_byte/pwm_1_while_byte.ino
index 3f6de46..fed4e7f 100644
--- a/basic/pwm/pwm_1_while_byte/pwm_1_while_byte.ino
+++ b/basic/pwm/pwm_1_while_byte/pwm_1_while_byte.ino
@@ -4,8 +4,9 @@
    PWM per un LED: aumentare progressivamente la luminosita'.
  */
 
-byte led  = 9   ;     // Il pin ~9 e' abilitato al PWM
-byte brightness = 0;  // Valore iniziale per il PWM del LED
+const byte led  = 9   ; // Il pin ~9 e' abilitato al PWM
+byte brightness = 0;    // Valore iniziale per il PWM del LED
+                        // Perche' brightness non e' una costante?
 
 // the setup routine runs once when you press reset:
 void setup()  {