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Fixed issue in Starter kit example number 4

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This commit is contained in:
Scott
2012-11-14 16:07:38 -05:00
parent 4672d451c8
commit 20c181470d
1 changed files with 17 additions and 16 deletions
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33
build/shared/examples/10.StarterKit/p04_ColorMixingLamp/p04_ColorMixingLamp.ino
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@ -10,9 +10,10 @@
three 10 kilohm resistors three 10 kilohm resistors
3 220 ohm resistors 3 220 ohm resistors
3 photoresistors 3 photoresistors
red green aand blue colored gels red green and blue colored gels
Created 13 September 2012 Created 13 September 2012
Modified 14 November 2012
by Scott Fitzgerald by Scott Fitzgerald
Thanks to Federico Vanzati for improvements Thanks to Federico Vanzati for improvements
@ -42,32 +43,32 @@ void setup() {
Serial.begin(9600); Serial.begin(9600);
// set the digital pins as outputs // set the digital pins as outputs
pinMode(greenLedPin,OUTPUT); pinMode(greenLEDPin,OUTPUT);
pinMode(redLedPin,OUTPUT); pinMode(redLEDPin,OUTPUT);
pinMode(blueLedPin,OUTPUT); pinMode(blueLEDPin,OUTPUT);
} }
void loop() { void loop() {
// Read the sensors first: // Read the sensors first:
// read the value from the red-filtered photoresistor: // read the value from the red-filtered photoresistor:
redsensorValue = analogRead(redsensorPin); redSensorValue = analogRead(redSensorPin);
// give the ADC a moment to settle // give the ADC a moment to settle
delay(5); delay(5);
// read the value from the green-filtered photoresistor: // read the value from the green-filtered photoresistor:
greensensorValue = analogRead(greensensorPin); greenSensorValue = analogRead(greenSensorPin);
// give the ADC a moment to settle // give the ADC a moment to settle
delay(5); delay(5);
// read the value from the blue-filtered photoresistor: // read the value from the blue-filtered photoresistor:
bluesensorValue = analogRead(bluesensorPin); blueSensorValue = analogRead(blueSensorPin);
// print out the values to the serial monitor // print out the values to the serial monitor
Serial.print("raw sensor Values \t red: "); Serial.print("raw sensor Values \t red: ");
Serial.print(redsensorValue); Serial.print(redSensorValue);
Serial.print("\t green: "); Serial.print("\t green: ");
Serial.print(greensensorValue); Serial.print(greenSensorValue);
Serial.print("\t Blue: "); Serial.print("\t Blue: ");
Serial.println(bluesensorValue); Serial.println(blueSensorValue);
/* /*
In order to use the values from the sensor for the LED, In order to use the values from the sensor for the LED,
@ -75,9 +76,9 @@ void loop() {
but analogWrite() uses 8 bits. You'll want to divide your but analogWrite() uses 8 bits. You'll want to divide your
sensor readings by 4 to keep them in range of the output. sensor readings by 4 to keep them in range of the output.
*/ */
redValue = redsensorValue/4; redValue = redSensorValue/4;
greenValue = greensensorValue/4; greenValue = greenSensorValue/4;
blueValue = bluesensorValue/4; blueValue = blueSensorValue/4;
// print out the mapped values // print out the mapped values
Serial.print("Mapped sensor Values \t red: "); Serial.print("Mapped sensor Values \t red: ");
@ -90,8 +91,8 @@ void loop() {
/* /*
Now that you have a usable value, it's time to PWM the LED. Now that you have a usable value, it's time to PWM the LED.
*/ */
analogWrite(redLedPin, redValue); analogWrite(redLEDPin, redValue);
analogWrite(greenLedPin, greenValue); analogWrite(greenLEDPin, greenValue);
analogWrite(blueLedPin, blueValue); analogWrite(blueLEDPin, blueValue);
} }