Water Level monitor

hardware

• Arduino
• led
• 220ohm resistor
• water level module

wire

Water level	Arduino
+	5v
-	GND
S	A0

code

#define ledPin 6
#define sensorPin A0

void setup() {
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);
}

void loop() {
  int sensorValue = analogRead(sensorPin);

  if (sensorValue > 570) {
    int outputValue = map(sensorValue, 570, 800, 0, 255);
    Serial.println(outputValue);
    analogWrite(ledPin, outputValue);  // generate PWM signal
  }
}