MicroPython - ESP32 WiFi 소켓 통신

main.py

from network import WLAN, STA_IF
from time import time, sleep
from usocket import socket

wlan = WLAN(STA_IF)
wlan.active(True)
start_time = time()

if not wlan.isconnected():
    print('Connecting to network...')
    wlan.connect('devicemart', 'devicemart1')
    
    while not wlan.isconnected():
        if time() - start_time > 15:
            print('Connecting WiFi Timeout!')
            quit()
        
config = wlan.ifconfig()
print(config)

print('IP : ' + config[0])
print('SUBNET : ' + config[1])
print('GATEWAY : ' + config[2])
print('DNS : ' + config[3])

s = socket()
addr = ('192.168.86.21', 65432)
s.connect(addr)

while True:
    s.send('Hello!')
    sleep(1)

server.py

import socket

HOST = '192.168.86.21'
PORT = 65432

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.bind((HOST, PORT))
    s.listen()
    conn, addr = s.accept()
    with conn:
        print(f"Connected by {addr}")
        while True:
            data = conn.recv(1024)
            print(f'{addr} : {data}')