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https://arduino-dds.tistory.com/entry/esp8266-udp-send-receive
esp8266 - udp (send, receive)
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Code
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import socket
import time
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind(('192.168.10.61',54321))
while True:
data, addr = sock.recvfrom(500)
print(f'recv:{data.decode()} {addr}')
time.sleep(0.1)
data_de = data.decode()
if 'esp8266_udp' in data_de:
#print(f'{data.decode()} {addr}')
sock.sendto("Python send_data".encode(), ('192.168.10.15',51234))
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cs |
Result
| #$ python3 UDP_recv_test.py recv:esp8266_udp(54321): 12 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 13 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 14 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 15 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 16 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 17 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 18 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 19 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 20 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 21 ('192.168.10.15', 51234) recv:esp8266_udp(54321): 22 ('192.168.10.15', 51234) |
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