Change Yeelight color temperature and brightness depending on the time of day. Set this script to be called upon an event of Yeelight appearance in your local network, using a syslog server with message processing functionality (e.g. https://sourceforge.net/projects/syslogserverwindows/) or using a network monitor (e.g. https://www.paessler.com/…

yeelight.py

import datetime as dt
import socket

host = '192.168.0.99'
port = 55443
yeelightPresetDay = b'{"id":1, "method":"set_scene", "params":["ct", 4000, 100]}\r\n'
yeelightPresetEvening = b'{"id":1, "method":"set_scene", "params":["ct", 3060, 63]}\r\n'
yeelightPresetNight = b'{"id":1, "method":"set_scene", "params":["ct", 2700, 1]}\r\n'

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((host, port))

h = dt.datetime.now().hour
#m = dt.datetime.now().minute

if h > 6 and h < 17:
    s.sendall(yeelightPresetDay)
elif h >= 17 and h < 20:
    s.sendall(yeelightPresetEvening)
else:
    s.sendall(yeelightPresetNight)

s.close()