import network
import time
from machine import Pin
import uasyncio as asyncio

wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect('Wokwi-GUEST', '')
for _ in range(50):
    if wifi.isconnected():
        break
    time.sleep_ms(100)
print('RUNLINC_WIFI=' + ('CONNECTED' if wifi.isconnected() else 'FAILED'))

PINS = {'D2': Pin(2)}

def write(name, value):
    pin = PINS[name]
    pin.init(Pin.OUT)
    pin.value(value)

async def run():
    while True:
        write('D2', 1)
        await asyncio.sleep_ms(500)
        write('D2', 0)
        await asyncio.sleep_ms(500)

asyncio.run(run())