大夏龙雀DX-WF25（ESP32-C2-H2）thonny开发

import time
from machine import Pin,PWM

led = PWM(Pin(8,Pin.OUT),freq=1000)

while True:
    
    for i in range(1024):
        led.duty(i)
        time.sleep_ms(1)
        
    for i in range(1023,0,-1):
        led.duty(i)
        time.sleep_ms(1)

 

import time
import network

wlan = network.WLAN(network.STA_IF)

wlan.active(True)

print('扫描wifi:',wlan.scan())

print("正在连接wifi",end="")
wlan.connect('llwlld','21224588')

while not wlan.isconnected():
    print('.',end='')
    time.sleep(0.1)
    
print('\n连接成功！')

from machine import Pin,PWM

led = PWM(Pin(8,Pin.OUT),freq=1000)

while True:
    
    for i in range(1024):
        led.duty(i)
        time.sleep_ms(1)
        
    for i in range(1023,0,-1):
        led.duty(i)
        time.sleep_ms(1)
        
    print(wlan.isconnected())