gistfile1.txt

import paho.mqtt.client as mqtt
import struct
from functools import reduce
from pydantic import ValidationError
from pydantic.color import Color

class Techlife():
    msg = struct.Struct('<B6H3B')

    def __init__(self, mqtt_server, mac_addr, username=None, password=None):
        self.client = mqtt.Client()
        if username:
            self.client.username_pw_set(username, password)
        self.client.connect(mqtt_server)
        self.device_mac = mac_addr
        self._color = Color('#fff')
        self._brightness = 1
        self._on = False
        self._animation_speed = 99

    @staticmethod
    def calc_checksum(stream):
        payload = bytearray(stream)
        checksum = reduce(lambda x, y: x ^ y, payload[1:14])
        payload[14] = checksum & 0xFF
        return payload

    def send(self, cmd):
        self.client.publish("dev_sub_" + self.device_mac, self.calc_checksum(cmd))  

    def _update_leds(self):
        rgb = self._color.as_rgb_tuple(alpha=False)
        red, green, blue = map(lambda x: int(x * 10000 * self._brightness // 255), rgb)

        brightness = int(0x64*self._brightness)

        payload = self.msg.pack(0x28, red, green, blue, 0, 0, brightness, 0x0f, 0, 0x29)
        self.send(payload)

    @property
    def brightness(self):
        return self._brightness * 100

    @brightness.setter
    def brightness(self, value):
        self._brightness = value / 100
        self._update_leds()

    @property
    def color(self):
        return self._color

    @color.setter
    def color(self, color):
        try:
            self._color = Color(color)
            self._update_leds()
        except ValidationError:
            pass

    @property
    def speed(self):
        return self._animation_speed

    @speed.setter
    def speed(self, speed):
        self._animation_speed = speed

    def animate(self, animate):
        if animate:
            speed = (100 - self.speed) * 255 // 100
            payload = self.msg.pack(0x66, 0x25, speed, 0x64, 0, 0, 0, 0, 0, 0x99)
            self.send(payload)
        else:
            self._update_leds()

    def is_on(self):
        return self._on

    def on(self):
        payload = self.msg.pack(0xfa, 0x23, 0, 0, 0, 0, 0, 0, 0, 0xfb)
        self.send(payload)
        self._on = True

    def off(self):
        payload = self.msg.pack(0xfa, 0x24, 0, 0, 0, 0, 0, 0, 0, 0xfb)
        self.send(payload)
        self._on = False

    def update(self):
        payload = self.msg.pack(0xa9, 0xf0, 0, 0, 0, 0, 0, 0, 0, 0x9a)
        self.send(payload)
        self._on = True


if __name__ == '__main__':
    import time
    led = Techlife('ip or host', 'mac-addr', 'testuser', 'testpassword')
    led.on()
    time.sleep(3)
    led.color = '#F02'
    time.sleep(3)
    led.brightness = 50
    time.sleep(3)
    led.off()

Thank you very much! This script helped a lot