"""
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Raspberry Pi Pico Template (MicroPython)                 ┃
┃                                                          ┃
┃ A template to demonstrate the use of a 7-segment display,┃
┃ a single LED, a Resistor, a buzzer and an input switch.  ┃
┃                                                          ┃
┃ Copyright (c) 2024 Matthias Grimsel                      ┃
┃ BSZ-Radeberg, Germany                                    ┃
┃ License: GPL                                             ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
"""
from machine import Pin, PWM
from time import sleep

sleep(0.1)

print("Hello World!")

CONT=0
led_onboard = Pin(25, Pin.OUT)
led_red = Pin(22,Pin.OUT)
SevSegDot   = Pin(2, Pin.OUT)
buzzer = PWM(Pin(19))
btn    = Pin(21, Pin.IN, Pin.PULL_DOWN)

def beep(freq,vol,dur):
    buzzer.freq(freq)
    buzzer.duty_u16(vol)
    sleep(dur)
    buzzer.duty_u16(0)

while 1:
    led_onboard.toggle()
    if btn.value():
        led_red.on()
        SevSegDot.toggle()
        buzzer.freq(1024)
        buzzer.duty_u16(50)
        sleep(0.1)
        buzzer.duty_u16(0)
    led_red.off()
    sleep(0.1)