#include "pitches.h"
#define buzzPin 1
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
tone(buzzPin, NOTE_C4, 250);
digitalWrite(LED_BUILTIN, HIGH);
delay(500);
tone(buzzPin, NOTE_C5, 250);
digitalWrite(LED_BUILTIN, LOW);
delay(500);
}
BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT