Task 26

Reads in the amount of light around it, outputs to the serial box how light/dark it is.

int photoCellPin = 0;
int photoCellReading;

void setup(void)
{
Serial.begin(9600);
}

void loop(void)
{
photoCellReading = analogRead(photoCellPin);

Serial.print("analog reading = ");
Serial.print(photoCellReading);

if (photoCellReading < 10)
{Serial.println(" - Very Dark");}
else
if (photoCellReading < 100)
{Serial.println(" - Dark");}
else
if (photoCellReading < 200)
{Serial.println(" - Dim");}
else
if (photoCellReading < 500)
{Serial.println(" - Light");}
else
if (photoCellReading < 600)
{Serial.println(" - Lighter");}
else
if (photoCellReading < 800)
{Serial.println(" - Bright");}
else
{Serial.println(" - Very Bright");}

delay(1000);
}