create a cfg.toml file and complete the infos inside (this is your env file):
[akarui]
wifi_ssid = ""
wifi_pass = ""official yeelight communication pdf doc
echo -e 'M-SEARCH * HTTP/1.1\r\nHOST: 239.255.255.250:1982\r\nMAN: "ssdp:discover"\r\nST: wifi_bulb\r\n\r\n' | socat - UDP4-DATAGRAM:239.255.255.250:1982,broadcastprintf '{"id":1,"method":"toggle","params":[]}\r\n' | nc 192.168.1.171 55443nc -u -l 1982