Resistive Sensor Assignment Arduino Code

by necsys


int sensorPin = A5;
int sensorValue;
int internalLED = 13;
int LED1 = 9;
int LED2 = 10;
int LED3 = 11;
int LED4 = A2;

void setup() {
pinMode(sensorPin, INPUT);
digitalWrite(sensorPin, HIGH); //turns on the internal pull-up resistor

pinMode(internalLED, OUTPUT);
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
pinMode(LED4, OUTPUT);

digitalWrite(internalLED, HIGH);
Serial.begin(9600);
}

void loop() {
sensorValue=analogRead(sensorPin);
Serial.println(sensorValue);
delay(100);

if (sensorValue < 1000) { digitalWrite(LED1, HIGH); if (sensorValue <750) { digitalWrite(LED2, HIGH); if (sensorValue <500) { digitalWrite(LED3, HIGH); if (sensorValue <250) { digitalWrite(LED4, HIGH); } else digitalWrite(LED4, LOW); } else { digitalWrite(LED3, LOW); digitalWrite(LED4, LOW); } } else { digitalWrite(LED2, LOW); digitalWrite(LED3, LOW); digitalWrite(LED4, LOW); } } else { digitalWrite(LED1, LOW); digitalWrite(LED2, LOW); digitalWrite(LED3, LOW); digitalWrite(LED4, LOW); } }