Question

THIS IS FOR ARDUINO PROGRAMMING

1. Write code that checks the sensor data and meets the following conditions:
   1. For night conditions, turn on white LED 1
   2. For day conditions, turn off white LED 1
   3. Code should check intervals every 5 seconds.

NEED THE BELOW CODE TO FIT THE ABOVE REQUIREMENTS.

const int lightSensor = 5; //light sensor variable
float sensValue = 0; //variable to hold sensor readings
const int button = 3; //pin for button reads
const int LED1 = 5;
const int LED2 = 8; //

void SerialOutput() {
Serial.print(“Light Sensor Value=”); //send to screen
Serial.print(sensValue, 2); //output variable to screen
Serial.print(“\n”); //drop a line
}

void setup() {
// put your setup code here, to turn once:
pinMode(button, INPUT); //setup button pin for input reads
Serial.begin(9600); //start serial coms
}

void loop() {
// put your main code here, to run repeatedly:
sensValue = analogRead(lightSensor); //read from sensor
SerialOutput ();
delay(1000); //wait for 1 second
}

Answer 1

Here is the completed code for this problem. Comments are included, go through it, learn how things work and let me know if you have any doubts or if you need anything to change. If you are satisfied with the solution, please rate the answer. If not, PLEASE let me know before you rate, I’ll help you fix whatever issues. Thanks

const int lightSensor = 5; //light sensor variable
float sensValue = 0; //variable to hold sensor readings
const int button = 3; //pin for button reads
const int LED1 = 5;
const int LED2 = 8;

//light sensor value upto which is considered dark, or night
//change this as needed.
const int threshold = 200;

void SerialOutput()
{
    Serial.print("Light Sensor Value ="); //send to screen
    Serial.print(sensValue, 2); //output variable to screen
    Serial.print("\n"); //drop a line
}

void setup()
{
    // put your setup code here, to turn once:
    pinMode(button, INPUT); //setup button pin for input reads
    pinMode(LED1, OUTPUT); //setting LED1 for output
    Serial.begin(9600); //start serial coms
}

void loop()
{
    sensValue = analogRead(lightSensor); //read from sensor
    //if sensorValue is below threshold, it means its dark, or low light
    //in which case, we switch ON LED1
    if (sensValue <= threshold) {
        digitalWrite(LED1, HIGH);
    }
    //otherwise (value above threshold) we switch OFF LED1
    else {
        digitalWrite(LED1, LOW);
    }
    SerialOutput();
    delay(1000); //wait for 1 second
}