//Program to output the value of your LDR whenever you press the button.
int buttonPin = 2; // the number of the pushbutton pin
int photocellPin = 0; // the cell and 10K pulldown are connected to a0
int photocellReading; // the analog reading from the analog resistor divider
int buttonState = 0; // variable for reading the pushbutton status
int count = 1;
void setup() {
// initialize the pushbutton pin as an input:
pinMode(buttonPin, INPUT);
Serial.begin(9600);
}
void loop(){
photocellReading = analogRead(photocellPin);
buttonState = digitalRead(buttonPin);
if (buttonState == HIGH) {
Serial.print("Reading number ");
Serial.print(count);
Serial.print(": ");
Serial.println(photocellReading);
delay(500);
count++;
}
else {
buttonState == LOW;
}
}
Thursday, March 18, 2010
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