turns out linearization isn't necessary IRL

acrylic-art-code/acrylic-art-code.ino

@@ -13,32 +13,31 @@ void loop() {
   int ss = 20; // sample size for light sensor
   int average = 0;
   for (int x = 0; x < ss; x++) {
-    //average += 256-log(256-analogRead(0) / 4) * (256 /5.55); // old linearization
+    // mapping to correct values
-
+    average += map(analogRead(0), 0, 1023, 0, 127);
-    // linearization using resistance to lux relationship 
-    average += map(1250000.0 * pow(1023-analogRead(0), -1.4059), 73, 339, 0, 128);
     delay(3);
   }
   average /= ss;
+  //Serial.println(analogRead(0));
   //Serial.println(average);
   if (oldavg == 0) {
     oldavg = average;
   }
-  if (oldavg != average) {
+  if (abs(oldavg - average) > 1) {
     Serial.print("Goal: ");
     Serial.println(average);
     digitalWrite(13, HIGH);
-  }
     while (oldavg < average) {
-    oldavg += 1;
+      oldavg += 2;
       setColor(oldavg);
     }
     while (oldavg > average) {
-    oldavg -= 1;
+      oldavg -= 2;
       setColor(oldavg);
     }
     digitalWrite(13, LOW);
   }
+}
 
 void setColor(int hue) {
   CRGB color = CHSV(hue, 255, 255);