from machine import UART, Pin
import time

uart = UART(1, baudrate=115200, tx=1, rx=3)

led = Pin(15,Pin.OUT)

# 运行前提示信息
uart.write("\rPlease enter 1 or 0,1 is open led,0 is close led：\n")

while True:
    uart.write("\r") 
    # 读取串口数据
    if uart.any():
       
        data = uart.read()
        print("Received:", data)  
       
        if data == b'1':
            led.value(1)  
            uart.write("\rinput 1, LED is ON.\n")  
                   
        
        elif data == b'0':
            led.value(0)  # 熄灭 LED
            uart.write("\rinput 0, LED is OFF.\n")  

        else:
            uart.write("\rInvalid input! Please enter 1 or 0.\n")