Update cubesatsim.ino

cubesatsim/cubesatsim.ino

@@ -2170,7 +2170,7 @@ void start_pwm() {
      *  4.0f for 22 KHz
      *  2.0f for 44 KHz etc
      */
-    pwm_config_set_clkdiv(&config, 8.0); //16.0);   // 8.0f);  was 16 for some reason
+    pwm_config_set_clkdiv(&config, 4.0); // 8.0); //16.0);   // 8.0f);  was 16 for some reason
     pwm_config_set_wrap(&config, 178); // 250); 
     pwm_init(audio_pin_slice, &config, true);