diff --git a/apps/abstraction/transformation.py b/apps/abstraction/transformation.py
index 3537c26..146d356 100644
--- a/apps/abstraction/transformation.py
+++ b/apps/abstraction/transformation.py
@@ -351,6 +351,36 @@ def _transform_relay_shelly_to_abstract(payload: str) -> dict[str, Any]:
     """
     return {"power": payload.strip()}
 
+# ============================================================================
+# HANDLER FUNCTIONS: relay - tasmota technology
+# ============================================================================
+
+def _transform_relay_tasmota_to_vendor(payload: dict[str, Any]) -> str:
+    """Transform abstract relay payload to Tasmota format.
+    
+    Tasmota expects plain text 'on' or 'off' (not JSON).
+    - power: 'on'/'off' -> 'on'/'off' (plain string)
+    
+    Example:
+    - Abstract: {'power': 'on'}
+    - Tasmota: 'on'
+    """
+    power = payload.get("power", "off")
+    return power
+
+
+def _transform_relay_tasmota_to_abstract(payload: str) -> dict[str, Any]:
+    """Transform Tasmota relay payload to abstract format.
+    
+    Tasmota sends plain text 'on' or 'off' (not JSON).
+    - 'on'/'off' -> power: 'on'/'off'
+    
+    Example:
+    - Tasmota: 'ON'
+    - Abstract: {'power': 'on'}
+    """
+    return {"power": payload.strip().lower()}
+
 # ============================================================================
 # HANDLER FUNCTIONS: relay - hottis_pv_modbus technology
 # ============================================================================
@@ -581,6 +611,8 @@ TRANSFORM_HANDLERS: dict[tuple[str, str, str], TransformHandler] = {
     ("relay", "shelly", "to_abstract"): _transform_relay_shelly_to_abstract,
     ("relay", "hottis_pv_modbus", "to_vendor"): _transform_relay_hottis_pv_modbus_to_vendor,
     ("relay", "hottis_pv_modbus", "to_abstract"): _transform_relay_hottis_pv_modbus_to_abstract,
+    ("relay", "tasmota", "to_vendor"): _transform_relay_tasmota_to_vendor,
+    ("relay", "tasmota", "to_abstract"): _transform_relay_tasmota_to_abstract,
 
     # Three-Phase Powermeter transformations
     ("three_phase_powermeter", "hottis_pv_modbus", "to_vendor"): _transform_three_phase_powermeter_hottis_pv_modbus_to_vendor,
diff --git a/config/devices.yaml b/config/devices.yaml
index 6e25a09..5054dda 100644
--- a/config/devices.yaml
+++ b/config/devices.yaml
@@ -794,6 +794,16 @@ devices:
   topics:
     state: "zigbee2mqtt/0xbc33acfffe21f547"
     set: "zigbee2mqtt/0xbc33acfffe21f547/set"
+- device_id: licht_kommode_schlafzimmer
+  name: Kommode Schlafzimmer
+  type: relay
+  cap_version: "relay@1.0.0"
+  technology: tasmota
+  features:
+    power: true
+  topics:
+    set: "cmnd/tasmota/04/POWER"
+    state: "stat/tasmota/04/POWER"
 
 - device_id: power_relay_caroutlet
   name: Car Outlet
diff --git a/config/layout.yaml b/config/layout.yaml
index d5048b5..b946f00 100644
--- a/config/layout.yaml
+++ b/config/layout.yaml
@@ -17,6 +17,10 @@ rooms:
     title: Medusa-Lampe Schlafzimmer
     icon: 💡
     rank: 40
+  - device_id: licht_kommode_schlafzimmer
+    title: Kommode Schlafzimmer
+    icon: 💡
+    rank: 42
   - device_id: thermostat_schlafzimmer
     title: Thermostat Schlafzimmer
     icon: 🌡️