lolo 5e636ce8c8 | ||
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README.md |
README.md
lightsensitive controll
hardware
software (arduino code)
// arduino-light-sensor-triggers-relay incl delay counter
// constants won't change const int LIGHT_SENSOR_PIN = A0; // Arduino pin connected to light sensor's pin const int RELAY_PIN = 3; // Arduino pin connected to Relay's pin const int ANALOG_THRESHOLD = 450;
// variables will change: int analogValue;
void setup() { pinMode(RELAY_PIN, OUTPUT); // set arduino pin to output mode Serial.begin(9600);
}
void loop() { analogValue = analogRead(LIGHT_SENSOR_PIN); // read the input on analog pin float voltage = analogValue * (5.0 / 1023.0);
Serial.println(analogValue);
int var = 0; while (var < 5 && analogValue < ANALOG_THRESHOLD) { delay(1000); var++; }
if(var=5 && analogValue < ANALOG_THRESHOLD) { digitalWrite(RELAY_PIN, LOW); } // turn off Relay
else {
digitalWrite(RELAY_PIN, HIGH);
var = 0;
}
}