Soil Moisture Sensor

1// Define the pins 
2int sensorPin = A0; 
3int ledPin = 7; 
4 
5// Variables to store sensor value 
6int sensorValue = 0; 
7 
8void setup() { 
9// Initialize serial communication at 9600 baud rate 
10Serial.begin(9600); 
11 
12// Initialize the LED pin as an output 
13pinMode(ledPin, OUTPUT); 
14} 
15 
16void loop() { 
17// Read the analog value from the sensor 
18sensorValue = analogRead(sensorPin); 
19 
20// Print the sensor value to the Serial Monitor 
21Serial.print("Soil Moisture Value: "); 
22Serial.println(sensorValue); 
23 
24// Check if the soil is dry 
25if (sensorValue > 500) { 
26// Turn the LED on 
27digitalWrite(ledPin, HIGH); 
28} else { 
29// Turn the LED off 
30digitalWrite(ledPin, LOW); 
31} 
32 
33// Wait for a second before taking another reading 
34delay(1000); 
35}