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273 lines
9.8 KiB
ReStructuredText
ESP32 Bluetooth Low Energy Tracker Hub
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======================================
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.. seo::
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:description: Instructions for setting up ESP32 bluetooth low energy device trackers using ESPHome.
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:image: bluetooth.svg
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The ``esp32_ble_tracker`` component creates a global hub so that you can track bluetooth low
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energy devices using your ESP32 node.
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See :ref:`Setting up devices <esp32_ble_tracker-setting_up_devices>`
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for information on how you can find out the MAC address of a device and track it using ESPHome.
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.. code-block:: yaml
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# Example configuration entry
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esp32_ble_tracker:
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binary_sensor:
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- platform: ble_presence
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mac_address: AC:37:43:77:5F:4C
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name: "ESP32 BLE Presence Google Home Mini"
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sensor:
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- platform: ble_rssi
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mac_address: AC:37:43:77:5F:4C
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name: "BLE Google Home Mini RSSI value"
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- platform: xiaomi_hhccjcy01
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mac_address: 94:2B:FF:5C:91:61
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temperature:
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name: "Xiaomi MiFlora Temperature"
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moisture:
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name: "Xiaomi MiFlora Moisture"
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illuminance:
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name: "Xiaomi MiFlora Illuminance"
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conductivity:
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name: "Xiaomi MiFlora Soil Conductivity"
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battery_level:
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name: "Xiaomi MiFlora Battery Level"
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- platform: xiaomi_lywsdcgq
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mac_address: 7A:80:8E:19:36:BA
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temperature:
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name: "Xiaomi MiJia Temperature"
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humidity:
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name: "Xiaomi MiJia Humidity"
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battery_level:
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name: "Xiaomi MiJia Battery Level"
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.. note::
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The first time this component is enabled for an ESP32, the code partition needs to be
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resized. Please flash the ESP32 via USB when adding this to your configuration. After that,
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you can use OTA updates again.
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.. _config-esp32_ble_tracker:
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Configuration variables:
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------------------------
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- **scan_parameters** (*Optional*): Advanced parameters for configuring the scan behavior of the ESP32.
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See also `this guide by Texas Instruments <https://dev.ti.com/tirex/explore/content/simplelink_academy_cc2640r2sdk_5_10_02_00/modules/blestack/ble_scan_adv_basic/ble_scan_adv_basic.html#scanning-basics>`__
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for reference.
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- **interval** (*Optional*, :ref:`config-time`): The interval between each consecutive scan window.
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This is the time the ESP spends on each of the 3 BLE advertising channels.
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Defaults to ``320ms``.
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- **window** (*Optional*, :ref:`config-time`): The time the ESP is actively listening for packets
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on a channel during each scan interval. If this is close to the ``interval`` value, the ESP will
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spend more time listening to packets (but also consume more power). Defaults to ``30ms``
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- **duration** (*Optional*, :ref:`config-time`): The duration of each complete scan. This has no real
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impact on the device but can be used to debug the BLE stack. Defaults to ``5min``.
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- **active** (*Optional*, boolean): Whether to actively send scan requests to request more data
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after having received an advertising packet. With some devices this is necessary to receive all data,
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but also drains those devices' power a bit more. Some devices don't need this, in that case
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you can save power and RF pollution by setting it to ``false``. Defaults to ``true``.
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- **continuous** (*Optional*, boolean): Whether to scan continuously (forever) or to only scan when
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asked to start a scan (with start_scan action). Defaults to ``true``.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID for this ESP32 BLE Hub.
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Automations:
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- **on_ble_advertise** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when a Bluetooth advertising is received. See :ref:`esp32_ble_tracker-on_ble_advertise`.
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- **on_ble_manufacturer_data_advertise** (*Optional*, :ref:`Automation <automation>`): An automation to
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perform when a Bluetooth advertising with manufacturer data is received. See
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:ref:`esp32_ble_tracker-on_ble_manufacturer_data_advertise`.
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- **on_ble_service_data_advertise** (*Optional*, :ref:`Automation <automation>`): An automation to
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perform when a Bluetooth advertising with service data is received. See
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:ref:`esp32_ble_tracker-on_ble_service_data_advertise`.
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- **on_scan_end** (*Optional*, :ref:`Automation <automation>`): An automation to perform when
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a BLE scan has completed (the duration of the scan). This works with continuous set to true or false.
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ESP32 Bluetooth Low Energy Tracker Automation
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---------------------------------------------
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.. _esp32_ble_tracker-on_ble_advertise:
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``on_ble_advertise`` Trigger
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************************************************
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This automation will be triggered when a Bluetooth advertising is received. A variable ``x`` of type
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:apiclass:`esp32_ble_tracker::ESPBTDevice` is passed to the automation for use in lambdas.
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.. code-block:: yaml
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esp32_ble_tracker:
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on_ble_advertise:
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- mac_address: 11:22:33:44:55:66
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then:
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- lambda: |-
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ESP_LOGD("ble_adv", "New BLE device");
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ESP_LOGD("ble_adv", " address: %s", x.address_str().c_str());
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ESP_LOGD("ble_adv", " name: %s", x.get_name().c_str());
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ESP_LOGD("ble_adv", " Advertised service UUIDs:");
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for (auto uuid : x.get_service_uuids()) {
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ESP_LOGD("ble_adv", " - %s", uuid.to_string().c_str());
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}
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ESP_LOGD("ble_adv", " Advertised service data:");
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for (auto data : x.get_service_datas()) {
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ESP_LOGD("ble_adv", " - %s: (length %i)", data.uuid.to_string().c_str(), data.data.size());
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}
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ESP_LOGD("ble_adv", " Advertised manufacturer data:");
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for (auto data : x.get_manufacturer_datas()) {
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ESP_LOGD("ble_adv", " - %s: (length %i)", data.uuid.to_string().c_str(), data.data.size());
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}
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Configuration variables:
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- **mac_address** (*Optional*, MAC Address): The MAC address to filter for this automation.
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- See :ref:`Automation <automation>`.
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.. _esp32_ble_tracker-on_ble_manufacturer_data_advertise:
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``on_ble_manufacturer_data_advertise`` Trigger
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************************************************
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This automation will be triggered when a Bluetooth advertising with manufcaturer data is received. A
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variable ``x`` of type ``std::vector<uint8_t>`` is passed to the automation for use in lambdas.
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.. code-block:: yaml
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sensor:
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- platform: template
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name: "BLE Sensor"
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id: ble_sensor
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esp32_ble_tracker:
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on_ble_manufacturer_data_advertise:
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- mac_address: 11:22:33:44:55:66
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manufacturer_id: 0590
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then:
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- lambda: |-
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if (x[0] != 0x7b || x[1] != 0x61) return;
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int value = x[2] + (x[3] << 8);
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id(ble_sensor).publish_state(value);
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Configuration variables:
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- **mac_address** (*Optional*, MAC Address): The MAC address to filter for this automation.
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- **manufacturer_id** (**Required**, string): 16 bit, 32 bit, or 128 bit BLE Manufacturer ID.
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- See :ref:`Automation <automation>`.
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.. _esp32_ble_tracker-on_ble_service_data_advertise:
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``on_ble_service_data_advertise`` Trigger
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************************************************
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This automation will be triggered when a Bluetooth advertising with service data is received. A
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variable ``x`` of type ``std::vector<uint8_t>`` is passed to the automation for use in lambdas.
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.. code-block:: yaml
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sensor:
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- platform: template
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name: "BLE Sensor"
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id: ble_sensor
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esp32_ble_tracker:
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on_ble_service_data_advertise:
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- mac_address: 11:22:33:44:55:66
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service_uuid: 181A
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then:
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- lambda: 'id(ble_sensor).publish_state(x[0]);'
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Configuration variables:
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- **mac_address** (*Optional*, MAC Address): The MAC address to filter for this automation.
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- **service_uuid** (**Required**, string): 16 bit, 32 bit, or 128 bit BLE Service UUID.
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- See :ref:`Automation <automation>`.
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``on_scan_end`` Trigger
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************************************************
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This automation will be triggered when a Bluetooth scanning sequence has completed. If running
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with continuous set to true, this will trigger every time the scan completes (the duration of
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a scan).
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.. code-block:: yaml
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esp32_ble_tracker:
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on_scan_end:
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- then:
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- lambda: |-
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ESP_LOGD("ble_auto", "The scan has ended!");
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Configuration variables:
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- None
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- See :ref:`Automation <automation>`.
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``esp32_ble_tracker.start_scan`` Action
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************************************************
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Start a Bluetooth scan. If there is a scan already in progress, then the action is ignored.
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.. code-block:: yaml
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esp32_ble_tracker:
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scan_parameters:
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continuous: false
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on_...:
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- esp32_ble_tracker.start_scan:
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Configuration variables:
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- **continuous** (*Optional*, boolean): Whether to start the scan in continuous mode. Defaults to ``false``
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: yaml
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esp32_ble_tracker:
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id: ble_tracker_id
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.. code-block:: cpp
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id(ble_tracker_id).start_scan()
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``esp32_ble_tracker.stop_scan`` Action
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************************************************
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Stops the bluetooth scanning. It can be started again with the above start scan action.
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.. code-block:: yaml
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esp32_ble_tracker:
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on_...:
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- esp32_ble_tracker.stop_scan:
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See Also
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--------
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- :doc:`text_sensor/ble_scanner`
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- :doc:`sensor/ble_rssi`
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- :doc:`sensor/b_parasite`
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- :doc:`sensor/xiaomi_ble`
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- :doc:`sensor/xiaomi_miscale`
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- :doc:`sensor/inkbird_ibsth1_mini`
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- :doc:`sensor/mopeka_pro_check`
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- :doc:`sensor/ruuvitag`
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- :doc:`ble_client`
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- :doc:`bluetooth_proxy`
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- :apiref:`esp32_ble_tracker/esp32_ble_tracker.h`
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- `ESP32 BLE for Arduino <https://github.com/nkolban/ESP32_BLE_Arduino>`__ by `Neil Kolban <https://github.com/nkolban>`__.
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- :ghedit:`Edit`
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