Add Methane Detector (jwbj) device support to Tuya (#58328)

homeassistant/components/tuya/binary_sensor.py

@@ -97,6 +97,16 @@ BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
         ),
         TAMPER_BINARY_SENSOR,
     ),
+    # Methane Detector
+    # https://developer.tuya.com/en/docs/iot/categoryjwbj?id=Kaiuz40u98lkm
+    "jwbj": (
+        TuyaBinarySensorEntityDescription(
+            key=DPCode.CH4_SENSOR_STATE,
+            device_class=DEVICE_CLASS_GAS,
+            on_value="alarm",
+        ),
+        TAMPER_BINARY_SENSOR,
+    ),
     # Door Window Sensor
     # https://developer.tuya.com/en/docs/iot/s?id=K9gf48hm02l8m
     "mcs": (

homeassistant/components/tuya/const.py

@@ -163,6 +163,8 @@ class DPCode(str, Enum):
     C_F = "c_f"  # Temperature unit switching
     CH2O_STATE = "ch2o_state"
     CH2O_VALUE = "ch2o_value"
+    CH4_SENSOR_STATE = "ch4_sensor_state"
+    CH4_SENSOR_VALUE = "ch4_sensor_value"
     CHILD_LOCK = "child_lock"  # Child lock
     CO_STATE = "co_state"
     CO_STATUS = "co_status"

homeassistant/components/tuya/sensor.py

@@ -172,6 +172,16 @@ SENSORS: dict[str, tuple[SensorEntityDescription, ...]] = {
         ),
         *BATTERY_SENSORS,
     ),
+    # Methane Detector
+    # https://developer.tuya.com/en/docs/iot/categoryjwbj?id=Kaiuz40u98lkm
+    "jwbj": (
+        SensorEntityDescription(
+            key=DPCode.CH4_SENSOR_VALUE,
+            name="Methane",
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        *BATTERY_SENSORS,
+    ),
     # Luminance Sensor
     # https://developer.tuya.com/en/docs/iot/categoryldcg?id=Kaiuz3n7u69l8
     "ldcg": (