https://easyeda.com/editor#id=2ea5ada951974b5a80d996806003662e

https://github.com/arendst/Sonoff-Tasmota

configuration.yaml: 

light: 

# LEW WS2812b
  - platform: mqtt
    name: "Pablo's SmartLight"
    retain: false
    state_topic: "stat/psl/POWER"
    command_topic: "cmnd/psl/POWER"
    availability_topic: "tele/psl/LWT"
    qos: 1
    payload_on: "ON"
    payload_off: "OFF"
    payload_available: "Online"
    payload_not_available: "Offline"
    optimistic: false
    brightness_state_topic: "stat/psl/Dimmer"
    brightness_command_topic: "cmnd/psl/Dimmer"
    brightness_value_template: "{{ value_json.Dimmer }}"
    brightness_scale: 100
    rgb_state_topic: "stat/psl/Color"
    rgb_command_topic: "cmnd/psl/Color2"
    rgb_command_mode: hex
    rgb_command_template: "{{ '%02x%02x%02x' | format(red, green, blue)}}"
    effect_state_topic: "stat/psl/Scheme"
    effect_command_topic: "cmnd/psl/Scheme"
    effect_value_template: "{{ value_json.Scheme }}"
    effect_list:
        - 0
        - 2
        - 8
        - 9
        - 11
        - 12

Effect list from Tasmota Schemes: https://github.com/arendst/Sonoff-Tasmota/wiki/Commands