#=============== BASIC DIGITAL OUTPUT
# import time
# import board
# import digitalio

# led = digitalio.DigitalInOut(board.GP0)
# led.direction = digitalio.Direction.OUTPUT

# while True:
#     led.value = True
#     time.sleep(0.5)
#     led.value = False
#     time.sleep(0.5)

#=============== BASIC DIGITAL INPUT
# import time
# import board
# import digitalio

# button = digitalio.DigitalInOut(board.GP20)
# button.switch_to_input(pull=digitalio.Pull.UP)

# while True:
#     print(button.value)
#     time.sleep(0.5)

#=============== DIGITAL OUTPUT 4 LED
# import time
# import board
# import digitalio
# led1 = digitalio.DigitalInOut(board.GP0)
# led2 = digitalio.DigitalInOut(board.GP1)
# led3 = digitalio.DigitalInOut(board.GP2)
# led4 = digitalio.DigitalInOut(board.GP3)
# led1.direction = digitalio.Direction.OUTPUT
# led2.direction = digitalio.Direction.OUTPUT
# led3.direction = digitalio.Direction.OUTPUT
# led4.direction = digitalio.Direction.OUTPUT

# while True:
# 	led1.value = True
# 	led2.value = False
# 	led3.value = True
# 	led4.value = False
# 	time.sleep(0.3)
# 	led1.value = False
# 	led2.value = True
# 	led3.value = False
# 	led4.value = True
# 	time.sleep(0.3)