#define LED_PIN 25  // Define onboard LED pin for Raspberry Pi Pico
void blink_led(int blinks, int duration_ms) {
    int interval = duration_ms / (2 * blinks);  // Calculate time for each ON/OFF
    for (int i = 0; i < blinks; i++) {
        digitalWrite(LED_PIN, HIGH);  // Turn LED on
        delay(interval);
        digitalWrite(LED_PIN, LOW);   // Turn LED off
        delay(interval);
    }
}
void setup() {
    pinMode(LED_PIN, OUTPUT);  // Set LED_PIN as output
}
void loop() {
    // Blink 10 times in the first minute
    blink_led(10, 60000);
    // Blink 20 times in the second minute
    blink_led(20, 60000);
    // Blink 30 times in the third minute
    blink_led(30, 60000);
}