Hier mal meine Definition, hab keine Probleme damit:
defmod MQTT2_WLED_TV MQTT2_DEVICE WLED_538e36
attr MQTT2_WLED_TV userattr lightSceneParamsToSave lightSceneRestoreOnlyIfChanged:1,0
attr MQTT2_WLED_TV IODev MQTT2_Server
attr MQTT2_WLED_TV alexaName streifen
attr MQTT2_WLED_TV comment "http://".InternalVal($NAME,'CID','0')."
attr MQTT2_WLED_TV devStateIcon {Color::devStateIcon( $name, "rgb", "rgb", "brightness", "state" )}
attr MQTT2_WLED_TV event-on-change-reading brightness,effect,intensity,palette,rgb,speed,state,effectname,effectnumber
attr MQTT2_WLED_TV eventMap /effect 0:Solid/effect 2:Breathe/effect 63:Pride/loadPreset 1:Fire/
attr MQTT2_WLED_TV genericDeviceType light
attr MQTT2_WLED_TV group Wohnzimmer
attr MQTT2_WLED_TV homebridgeMapping Brightness=brightness::brightness,maxValue=100,factor=0.39216,delay=true
attr MQTT2_WLED_TV icon hue_filled_iris
attr MQTT2_WLED_TV model wled_controller
attr MQTT2_WLED_TV readingList wled/538e36/status:.* LWT\
wled/538e36/g:.* brightness\
wled/538e36/g:.* { $EVENT ? {"state"=>"on"} : {"state"=>"off"} }\
wled/538e36/c:.* { {"rgb"=>substr("$EVENT",1,6)} }\
wled/538e36/v:.* api\
wled/538e36/v:.* { $EVENT =~ m,(?<=<sx>)([\d]+)(?=<\/sx>), ? $1 eq ReadingsVal($NAME,"speed","unknown") ? return : {"speed"=>$1} : return;; }\
wled/538e36/v:.* {$EVENT =~ m,(?<=<ix>)([\d]+)(?=<\/ix>), ? $1 eq ReadingsVal($NAME,"intensity","unknown") ? return : {"intensity"=>$1} : return }\
wled/538e36/v:.* {$EVENT =~ m,(?<=<fp>)([\d]+)(?=<\/fp>), ? $1 eq ReadingsVal($NAME,"palette","unknown") ? return : {"palette"=>$1} : return }\
wled/538e36/v:.* {$EVENT =~ m,(?<=<fx>)([\d]+)(?=<\/fx>), ? $1 eq ReadingsVal($NAME,"effect","unknown") ? return :{"effect"=>"$1"} : return }
attr MQTT2_WLED_TV room MQTT2_DEVICE,Wohnzimmer
attr MQTT2_WLED_TV setList on:noArg wled/538e36 on\
off:noArg wled/538e36 off\
toggle:noArg wled/538e36 t\
rgb:colorpicker,RGB wled/538e36/col #$EVTPART1\
brightness:colorpicker,BRI,0,1,255 wled/538e36\
speed:colorpicker,BRI,0,1,255 wled/538e36/api SX=$EVTPART1\
intensity:colorpicker,BRI,0,1,255 wled/538e36/api IX=$EVTPART1\
palette:selectnumbers,0,1,46,0,lin wled/538e36/api &T=1FP=$EVTPART1\
effect:selectnumbers,0,1,115,0,lin wled/538e36/api FX=$EVTPART1\
loadPreset:selectnumbers,0,1,3,0,lin wled/538e36/api PL=$EVTPART1\
dimup:noArg wled/538e36/api A=~10\
dimdown:noArg wled/538e36/api A=~-10\
flash:noArg {my $v=ReadingsVal($NAME,"rgb","FFA000");;ReadingsVal($NAME,"state","off") eq "on"?fhem("set $NAME rgb FFFFFF;;sleep 0.5;;set $NAME rgb $v"):fhem("set $NAME toggle;;set $NAME rgb FFFFFF;;sleep 0.5;;set $NAME toggle")}
attr MQTT2_WLED_TV setStateList on off toggle effect loadPreset dimdown dimup
attr MQTT2_WLED_TV userReadings effectname:effect.* {my $h="http://192.168.188.52/json";;$h=~s/_/-/g;; HttpUtils_NonblockingGet( {url=>"$h", callback=>sub($$$) { my ($hash, $err, $data) = @_;; $data =~ m,effects..\[([^[]*?)],;;my $s=$1;;$s=~s/"//g;;$s=~ s/\n//g;;my @a= split(/,/ , $s);;my $i = ReadingsNum($NAME,"effect","1");;;;my $an=@a;;$a=$a[$i];;fhem("setreading $NAME effectname $a;;setreading $NAME effectnumber $an")} }) }
attr MQTT2_WLED_TV webCmd rgb:brightness:effect:Solid:Breathe:Pride:Fire:flash
setstate MQTT2_WLED_TV on
setstate MQTT2_WLED_TV 2021-01-07 17:09:29 LWT online
setstate MQTT2_WLED_TV 2021-01-07 17:09:29 api <?xml version="1.0" ?><vs><ac>128</ac><cl>255</cl><cl>160</cl><cl>0</cl><cs>0</cs><cs>0</cs><cs>0</cs><ns>0</ns><nr>1</nr><nl>0</nl><nf>1</nf><nd>60</nd><nt>0</nt><fx>45</fx><sx>128</sx><ix>128</ix><fp>0</fp><wv>0</wv><ws>0</ws><ps>1</ps><cy>0</cy><ds>WLED</ds><ss>0</ss></vs>
setstate MQTT2_WLED_TV 2021-01-07 17:09:29 brightness 128
setstate MQTT2_WLED_TV 2021-01-06 00:37:37 effect 45
setstate MQTT2_WLED_TV 2021-01-06 00:37:37 effectname Fire Flicker
setstate MQTT2_WLED_TV 2021-01-06 00:37:37 effectnumber 116
setstate MQTT2_WLED_TV 2021-01-02 20:27:51 intensity 128
setstate MQTT2_WLED_TV 2021-01-02 20:27:51 palette 0
setstate MQTT2_WLED_TV 2021-01-05 19:03:31 pct set
setstate MQTT2_WLED_TV 2021-01-07 17:09:29 rgb FFA000
setstate MQTT2_WLED_TV 2021-01-02 20:27:51 speed 128
setstate MQTT2_WLED_TV 2021-01-07 17:09:29 state on