added a way to tone down the plot spam

pointlights.ino

@@ -8,13 +8,13 @@ unsigned long currentMillis;
 int brightness = 0; // our main variable for setting the brightness of the LED
 float velocity = 1.0; // the speed at which we change the brightness.
 int ledPin = 9; // we use pin 9 for PWM
+int p = 0; // use to keep track how often we plot
+int plotFrequency = 3; // how often we plot, every Nth time.
 
 void setup() {
   // put your setup code here, to run once:
   pinMode(ledPin, OUTPUT); // set ledPin as an output.
   Serial.begin(9600); // initiate the Serial monitor so we can use the Serial Plotter to graph our patterns
-  
-
 }
 
 void loop() {
@@ -90,11 +90,15 @@ void changeState(ledStates newState){
   
 void plot(char *state, int brightness){
     // use this function to plot a graph.
-    // it will normalize the auto-scaling plotter 
-    Serial.print(state);
-    Serial.print(", ");
-    Serial.print(brightness);
-    Serial.println(", 0, 300");
+    // it will normalize the auto-scaling plotter
+
+    if ((p % plotFrequency) == 0){
+      Serial.print(state);
+      Serial.print(", ");
+      Serial.print(brightness);
+      Serial.println(", 0, 300");
+    }
+    p++;
   }
 
 int increase_brightness (int brightness, float velocity){