Aqara Wireless Knob Switch H1

drivers/SmartThings/zigbee-button/fingerprints.yml

@@ -34,6 +34,11 @@ zigbeeManufacturer:
     manufacturer: LUMI
     model: lumi.remote.b28ac1
     deviceProfileName: aqara-double-buttons-mode
+  - id: "lumi/lumi.remote.rkba01"
+    deviceLabel: "Aqara Wireless Smart Knob H1"
+    manufacturer: LUMI
+    model: lumi.remote.rkba01
+    deviceProfileName: aqara-knob-switch
   - id: "HEIMAN/SOS-EM"
     deviceLabel: HEIMAN Button
     manufacturer: HEIMAN

drivers/SmartThings/zigbee-button/profiles/aqara-knob-switch.yml

@@ -0,0 +1,19 @@
+name: aqara-knob-switch
+components:
+  - id: main
+    capabilities:
+    - id: button
+      version: 1
+    - id: knob
+      version: 1
+    - id: batteryLevel
+      version: 1
+    - id: firmwareUpdate
+      version: 1
+    - id: refresh
+      version: 1
+    categories:
+    - name: Button
+preferences:
+  - preferenceId: stse.knobSensitivity
+    explicit: true

drivers/SmartThings/zigbee-button/src/aqara-knob/can_handle.lua

@@ -0,0 +1,13 @@
+-- Copyright 2026 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local is_aqara_products = function(opts, driver, device, ...)
+    local FINGERPRINTS = { mfr = "LUMI", model = "lumi.remote.rkba01" }
+
+    if device:get_manufacturer() == FINGERPRINTS.mfr and device:get_model() == FINGERPRINTS.model then
+        return true, require("aqara-knob")
+    end
+    return false
+end
+
+return is_aqara_products

drivers/SmartThings/zigbee-button/src/aqara-knob/init.lua

@@ -0,0 +1,140 @@
+-- Copyright 2026 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local battery_defaults = require "st.zigbee.defaults.battery_defaults"
+local clusters = require "st.zigbee.zcl.clusters"
+local cluster_base = require "st.zigbee.cluster_base"
+local data_types = require "st.zigbee.data_types"
+local capabilities = require "st.capabilities"
+local utils = require "st.utils"
+local button_utils = require "button_utils"
+
+local PowerConfiguration = clusters.PowerConfiguration
+local PRIVATE_CLUSTER_ID = 0xFCC0
+local PRIVATE_ATTRIBUTE_ID = 0x0009
+local MFG_CODE = 0x115F
+local MULTISTATE_INPUT_CLUSTER_ID = 0x0012
+local PRESENT_ATTRIBUTE_ID = 0x0055
+local ROTATION_MONITOR_ID = 0x0232
+
+local AQARA_KNOB = {
+  ["lumi.remote.rkba01"] = { mfr = "LUMI", type = "CR2032", quantity = 2 },   -- Aqara Wireless Knob Switch H1
+}
+
+
+local function device_init(driver, device)
+  local configuration = {
+    {
+      cluster = PowerConfiguration.ID,
+      attribute = PowerConfiguration.attributes.BatteryVoltage.ID,
+      minimum_interval = 30,
+      maximum_interval = 3600,
+      data_type = PowerConfiguration.attributes.BatteryVoltage.base_type,
+      reportable_change = 1
+    }
+  }
+
+  battery_defaults.build_linear_voltage_init(2.6, 3.0)(driver, device)
+  for _, attribute in ipairs(configuration) do
+      device:add_configured_attribute(attribute)
+  end
+end
+
+local function device_added(self, device)
+  local model = device:get_model()
+  local type = AQARA_KNOB[model].type or "CR2032"
+  local quantity = AQARA_KNOB[model].quantity or 1
+
+  device:emit_event(capabilities.button.supportedButtonValues({ "pushed", "held", "double" }, { visibility = { displayed = false } }))
+  device:emit_event(capabilities.button.numberOfButtons({ value = 1 }))
+  button_utils.emit_event_if_latest_state_missing(device, "main", capabilities.button, 
+    capabilities.button.button.NAME, capabilities.button.button.pushed({state_change = false}))
+  device:emit_event(capabilities.batteryLevel.battery.normal())
+  device:emit_event(capabilities.batteryLevel.type(type))
+  device:emit_event(capabilities.batteryLevel.quantity(quantity))
+  device:emit_event(capabilities.knob.rotateAmount({value = 0, unit = "%"}))
+  device:emit_event(capabilities.knob.heldRotateAmount({value = 0, unit = "%"}))
+end
+
+local function do_configure(driver, device)
+  device:configure()
+  device:send(cluster_base.write_manufacturer_specific_attribute(device,
+    PRIVATE_CLUSTER_ID, PRIVATE_ATTRIBUTE_ID, MFG_CODE, data_types.Uint8, 1))
+  device:emit_event(capabilities.knob.supportedAttributes({"rotateAmount", "heldRotateAmount"}, {state_change = true}))
+end
+
+local function button_monitor_handler(driver, device, value, zb_rx)
+  local val = value.value
+
+  if val == 1 then     -- push
+    device:emit_event(capabilities.button.button.pushed({ state_change = true }))
+  elseif val == 2 then -- dobule push
+    device:emit_event(capabilities.button.button.double({ state_change = true }))
+  elseif val == 0 then -- down_hold
+    device:emit_event(capabilities.button.button.held({ state_change = true }))
+  end
+end
+
+local function rotation_monitor_per_handler(driver, device, value, zb_rx)
+  local SENSITIVITY_KEY = "stse.knobSensitivity"
+  local SENSITIVITY_FACTORS = {0.5, 1.0, 2.0}
+
+  local end_point = zb_rx.address_header.src_endpoint.value
+  local raw_val = utils.round(value.value)
+  if raw_val > 0x7FFF then
+    raw_val = raw_val - 0x10000
+  end
+  local sensitivity = tonumber(device.preferences[SENSITIVITY_KEY])
+  local factor = SENSITIVITY_FACTORS[sensitivity] or 1.0
+  local intermediate_val = raw_val * factor
+  local sign = (intermediate_val > 0 and 1) or (intermediate_val < 0 and -1) or 0
+  local val = math.floor(math.abs(intermediate_val) + 0.5) * sign
+  val = math.max(-100, math.min(100, val))
+
+  if val == 0 then
+    return
+  elseif end_point == 0x47 then -- normal
+    device:emit_event(capabilities.knob.rotateAmount({value = val, unit = "%"}, {state_change = true}))
+elseif end_point == 0x48 then -- press
+    device:emit_event(capabilities.knob.heldRotateAmount({value = val, unit = "%"}, {state_change = true}))
+  end
+end
+
+local function battery_level_handler(driver, device, value, zb_rx)
+  local voltage = value.value
+  local batteryLevel = "normal"
+
+  if voltage <= 25 then
+    batteryLevel = "critical"
+  elseif voltage < 28 then
+    batteryLevel = "warning"
+  end
+
+  device:emit_event(capabilities.batteryLevel.battery(batteryLevel))
+end
+
+local aqara_knob_switch_handler = {
+  NAME = "Aqara Wireless Knob Switch Handler",
+  lifecycle_handlers = {
+    init = device_init,
+    added = device_added,
+    doConfigure = do_configure
+  },
+  zigbee_handlers = {
+    attr = {
+      [MULTISTATE_INPUT_CLUSTER_ID] = {
+        [PRESENT_ATTRIBUTE_ID] = button_monitor_handler
+      },
+      [PRIVATE_CLUSTER_ID] = {
+        [ROTATION_MONITOR_ID] = rotation_monitor_per_handler
+      },
+      [PowerConfiguration.ID] = {
+        [PowerConfiguration.attributes.BatteryVoltage.ID] = battery_level_handler
+      },
+    }
+  },
+
+  can_handle = require("aqara-knob.can_handle"),
+}
+
+return aqara_knob_switch_handler

drivers/SmartThings/zigbee-button/src/sub_drivers.lua

@@ -4,6 +4,7 @@
 local lazy_load_if_possible = require "lazy_load_subdriver"
 local sub_drivers = {
    lazy_load_if_possible("aqara"),
+   lazy_load_if_possible("aqara-knob"),
    lazy_load_if_possible("pushButton"),
    lazy_load_if_possible("frient"),
    lazy_load_if_possible("zigbee-multi-button"),