安装固件https://micropython.org/download/RPI_PICO2/
from machine import Pin # Import the Pin class from the machine module
from time import sleep # Import the sleep function from the time module
# Initialize GPIO25 as an output pin, which controls the USER LED
led = Pin(25, Pin.OUT)
# Turn off the LED initially
led.value(1) # led.on() -> high level -> light off
sleep(0.5) # Wait for 0.5 seconds
# Turn on the LED
led.value(0) # led.off() -> low level -> light on
sleep(0.5) # Wait for 0.5 seconds
# Enter an infinite loop
while True:
# Toggle the LED state (on to off or off to on)
led.toggle()
# Print the current state of the LED
print(f"LED {'ON' if led.value() == 0 else 'OFF'}")
sleep(0.5) # Wait for 0.5 seconds before the next toggle
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