# Project objective: To test a passive buzzer to play an alarm sound at one second interval
#
# Hardware and connections used:
#   Passive buzzer GND to Raspberry Pi Pico GND
#	Passive buzzer + Pin to GPIO Pin 15
#
# Programmer: Adrian Josele G. Quional

# if passive buzzer is used, import the Speaker class from picozero
from picozero import LED
from time import sleep

# creating a Speaker object
speaker = Speaker(15)
led = LED(28)

# continuously beep at 1 sec interval while the board has power
# note: a passive buzzer can also be used to play different tones
while True:
    led.on()
    sleep(1)
    led.off()
    sleep(1)