Add support for Malmbergs dual dimmer module

Issue #1589

ACKNOWLEDGEMENTS.md

@@ -668,4 +668,4 @@ Further device support has been made with the assistance of users. Please consid
 - [ekalle-swe](https://github.com/ekalle-swe) for assisting with support for Loeffen LFIM6000 ice cube maker.
 - [Athemis](https://github.com/Athemis) for contributing support for Aktobis WDH-310EK dehumidifier.
 - [carmelo42](https://github.com/carmelo42) for contributing support for Fujicool Yuzu heat pump.
-- [dkvk](https://github.com/dkvk) for contributing support for Malmbergs 1-way dimmer module.
+- [dkvk](https://github.com/dkvk) for contributing support for Malmbergs single and dual dimmer modules.

DEVICES.md

@@ -551,7 +551,8 @@ of device.
 - Loginovo TV sync backlight
 - LSC smart connect RGB CCT lightbulb (similar to older generic bulbs, so may work for others)
 - Lytmi Fantasy/Neo 3 HDMI sync backlight
-- Malmbergs QS-WIFI-D02-TRIAC 1-way dimmer module
+- Malmbergs QS-WIFI-D02-TRIAC single dimmer module
+- Malmbergs QS-WIFI-D02-TRIAC-2C dual dimmer module
 - Marpou RGBCW ceiling light
 - Mirabella Genio Pixel LED oval light
 - Moes dimmer switch

custom_components/tuya_local/devices/malmbergs_dual_dimmer.yaml

@@ -0,0 +1,96 @@
+name: Dual dimmer
+products:
+  - id: isstlkzmlurfcc6e
+    name: Malmbergs QS-WIFI-D02-TRIAC-2C
+primary_entity:
+  entity: light
+  name: Dimmer 1
+  dps:
+    - id: 1
+      type: boolean
+      name: switch
+    - id: 2
+      name: brightness
+      type: integer
+      range:
+        min: 10
+        max: 1000
+secondary_entities:
+  - entity: light
+    name: Dimmer 2
+    dps:
+      - id: 7
+        type: boolean
+        name: switch
+      - id: 8
+        name: brightness
+        type: integer
+        range:
+          min: 10
+          max: 1000
+  - entity: number
+    name: Minimum brightness 1
+    category: config
+    icon: "mdi:lightbulb-on-40"
+    dps:
+      - id: 3
+        type: integer
+        name: value
+        range:
+          min: 25
+          max: 255
+  - entity: number
+    translation_key: timer
+    category: config
+    dps:
+      - id: 6
+        type: integer
+        name: value
+        unit: min
+        range:
+          min: 0
+          max: 86400
+        mapping:
+          - scale: 60
+            step: 60
+  - entity: number
+    name: Minimum brightness 2
+    category: config
+    icon: "mdi:lightbulb-on-40"
+    dps:
+      - id: 9
+        type: integer
+        name: value
+        range:
+          min: 25
+          max: 255
+  - entity: number
+    translation_key: timer
+    name: Timer 2
+    category: config
+    dps:
+      - id: 12
+        type: integer
+        name: value
+        unit: min
+        range:
+          min: 0
+          max: 86400
+        mapping:
+          - scale: 60
+            step: 60
+  - entity: select
+    name: Initial state
+    icon: "mdi:toggle-switch"
+    category: config
+    dps:
+      - id: 14
+        type: string
+        name: option
+        mapping:
+          - dps_val: "off"
+            value: "Off"
+          - dps_val: "on"
+            value: "On"
+          - dps_val: memory
+            value: Last state