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@ -12,24 +12,28 @@ void loop() {
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int ss = 20; // sample size for light sensor
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int ss = 20; // sample size for light sensor
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int average = 0;
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int average = 0;
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for (int x = 0; x < ss; x++) {
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for (int x = 0; x < ss; x++) {
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average += analogRead(light) / 4;
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//average += 256-log(256-analogRead(0) / 4) * (256 /5.55); // old linearization
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//linearization using resistance to lux relationship
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average += (1250000.0 * pow(1023-analogRead(0), -1.4059) - 73) / 2.08;
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delay(3);
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delay(3);
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}
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}
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average /= ss;
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average /= ss;
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if (oldavg == 0) {
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//Serial.println(average);
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if(oldavg == 0) {
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oldavg = average;
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oldavg = average;
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}
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}
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digitalWrite(13, HIGH);
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digitalWrite(13, HIGH);
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if (oldavg != average) {
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if(oldavg != average) {
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Serial.print("Goal: ");
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Serial.print("Goal: ");
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Serial.println(average);
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Serial.println(average);
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}
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}
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while (oldavg < average) {
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while(oldavg < average) {
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oldavg ++;
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oldavg += 1;
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setColor(oldavg);
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setColor(oldavg);
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}
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}
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while (oldavg > average) {
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while(oldavg > average) {
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oldavg --;
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oldavg -= 1;
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setColor(oldavg);
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setColor(oldavg);
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}
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}
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digitalWrite(13, LOW);
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digitalWrite(13, LOW);
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@ -66,24 +70,28 @@ void loop() {
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int ss = 20; // sample size for light sensor
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int ss = 20; // sample size for light sensor
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int average = 0;
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int average = 0;
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for (int x = 0; x < ss; x++) {
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for (int x = 0; x < ss; x++) {
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average += analogRead(light) / 4;
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//average += 256-log(256-analogRead(0) / 4) * (256 /5.55); // old linearization
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//linearization using resistance to lux relationship
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average += (1250000.0 * pow(1023-analogRead(0), -1.4059) - 73) / 2.08;
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delay(3);
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delay(3);
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}
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}
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average /= ss;
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average /= ss;
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//Serial.println(average);
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if(oldavg == 0) {
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if(oldavg == 0) {
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oldavg = average;
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oldavg = average;
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}
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}
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digitalWrite(13, HIGH);
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digitalWrite(13, HIGH);
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if(oldavg != average) {
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if(oldavg != average) {
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Serial.print("Goal: ");
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Serial.print("Goal: ");
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Serial.println(average);
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Serial.println(average);
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}
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}
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while(oldavg < average) {
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while(oldavg < average) {
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oldavg ++;
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oldavg += 1;
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setColor(oldavg);
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setColor(oldavg);
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}
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}
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while(oldavg > average) {
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while(oldavg > average) {
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oldavg --;
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oldavg -= 1;
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setColor(oldavg);
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setColor(oldavg);
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}
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}
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digitalWrite(13, LOW);
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digitalWrite(13, LOW);
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