เซ็นเซอร์ความชื้นในดินพร้อม Arduino

// Soil Moisture Sensor - Analog Reading

#define sensorPin A0

#define ledPin 6

void setup() {

  Serial.begin(9600);

  pinMode(ledPin, OUTPUT);

  Serial.println("Soil Moisture Sensor Initialized");

}

void loop() {

  int sensorValue = analogRead(sensorPin);

  int moisturePercent = map(sensorValue, 1024, 0, 0, 100);

  Serial.print("Moisture Level: ");

  Serial.print(moisturePercent);

  Serial.println("%");

  // Control LED brightness based on moisture

  int ledBrightness = map(moisturePercent, 0, 100, 0, 255);

  analogWrite(ledPin, ledBrightness);

  delay(1000);

}