Phase 1 — 実践1：赤色単色点滅 - Wokwi ESP32, STM32, Arduino Simulator

from machine import Pin
import time

led_red = Pin(15, Pin.OUT)

while True:
    led_red.on()
    print("Red ON")
    time.sleep(0.5)
    led_red.off()
    print("Red OFF")
    time.sleep(0.5)