// Define the relay pin connected to the solenoid valve
const int relayPin = 2;

// Setup function runs once when you press reset or power the board
void setup() {
  // Initialize the relay pin as an output
    pinMode(relayPin, OUTPUT);

      // Initially turn off the solenoid valve (relay in OFF state)
        digitalWrite(relayPin, LOW);
        }

        // Main loop function runs continuously after setup()
        void loop() {
          // Example logic to open the water flow for 10 seconds every minute
            openWaterFlow(10000);  // Open water flow for 10 seconds
              delay(50000);          // Wait for the rest of the minute (50 seconds)
              }

              // Function to open the water flow
              void openWaterFlow(unsigned long duration) {
                // Turn on the relay to open the solenoid valve
                  digitalWrite(relayPin, HIGH);

                    // Keep the valve open for the specified duration
                      delay(duration);

                        // Turn off the relay to close the solenoid valve
                          digitalWrite(relayPin, LOW);
                          }