> For the complete documentation index, see [llms.txt](https://kb.linknlink.com/kb/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.linknlink.com/kb/smart-home-devices.md).

# SMART HOME DEVICES

- [Common](https://kb.linknlink.com/kb/smart-home-devices/common.md)
- [Announcement](https://kb.linknlink.com/kb/smart-home-devices/common/announcement.md)
- [Power / Wiring](https://kb.linknlink.com/kb/smart-home-devices/common/power-wiring.md)
- [Power Supply](https://kb.linknlink.com/kb/smart-home-devices/common/power-wiring/power-supply.md)
- [Device Setup](https://kb.linknlink.com/kb/smart-home-devices/common/device-setup.md)
- [Device Settings](https://kb.linknlink.com/kb/smart-home-devices/common/device-settings.md)
- [Push Notifications](https://kb.linknlink.com/kb/smart-home-devices/common/device-settings/push-notifications.md)
- [Universal Settings](https://kb.linknlink.com/kb/smart-home-devices/common/universal-settings.md)
- [Wi-Fi Setup](https://kb.linknlink.com/kb/smart-home-devices/common/wi-fi-setup.md): Wi-Fi Setup Failing? Fix It Using Your Mobile Hotspot!
- [eMotion Series](https://kb.linknlink.com/kb/smart-home-devices/emotion-series.md)
- [eMotion Pro](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/emotion-pro.md)
- [eMotion Ultra](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/emotion-ultra.md): This installation guide covers eMotion, eMotion Pro, eMotion Max and eMotion Ultra.
- [Ultra Too Sensitive? Always Showing Someone?](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/emotion-ultra/ultra-too-sensitive-always-showing-someone.md)
- [eMotion Comparison](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/emotion-comparison.md)
- [eMotion2MQTT (HA)](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/emotion2mqtt-ha.md): If you need to connect a device to Home Assistant, please follow the steps below to configure MQTT.
- [Add IR for HA](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/add-ir-for-ha.md): "Add IR for HA" Download Failed
- [Backup remote](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/backup-remote.md)
- [Radar Module](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/radar-module.md): Next-Gen 60GHz mmWave Radar Module Evolution
- [Firmware Update](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/firmware-update.md): Manually Update firmware of eMotion Sensor
- [MQTT Connection Troubleshooting](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/mqtt-connection-troubleshooting.md): Verify credential format, broker health, and network reachability so your LinknLink device can reliably connect to Home Assistant (HA) via MQTT.
- [FAQ](https://kb.linknlink.com/kb/smart-home-devices/emotion-series/faq.md)
- [eRemote](https://kb.linknlink.com/kb/smart-home-devices/eremote.md)
- [Set Up eRemote TV Kit](https://kb.linknlink.com/kb/smart-home-devices/eremote/set-up-eremote-tv-kit.md)
- [Set Up eRemote HA](https://kb.linknlink.com/kb/smart-home-devices/eremote/set-up-eremote-ha.md)
- [Update eRemote to eRemote HA](https://kb.linknlink.com/kb/smart-home-devices/eremote/set-up-eremote-ha/update-eremote-to-eremote-ha.md)
- [Sync IR Devices to HA via MQTT](https://kb.linknlink.com/kb/smart-home-devices/eremote/set-up-eremote-ha/sync-ir-devices-to-ha-via-mqtt.md)
- [Rollback eRemote HA to eRemote](https://kb.linknlink.com/kb/smart-home-devices/eremote/set-up-eremote-ha/rollback-eremote-ha-to-eremote.md)
- [Set Up eRemote HA AC](https://kb.linknlink.com/kb/smart-home-devices/eremote/set-up-eremote-ha/set-up-eremote-ha-ac.md)
- [Infrared (IR)](https://kb.linknlink.com/kb/smart-home-devices/eremote/infrared-ir.md)
- [Radio Frequency (RF)](https://kb.linknlink.com/kb/smart-home-devices/eremote/radio-frequency-rf.md)
- [Why My RF Device Can't be Controlled?](https://kb.linknlink.com/kb/smart-home-devices/eremote/radio-frequency-rf/why-my-rf-device-cant-be-controlled.md)
- [BLE sensor: modbus - HA](https://kb.linknlink.com/kb/smart-home-devices/eremote/ble-sensor-modbus-ha.md): In this tutorial, I will show you how to connect the eRemote BLE door contact and temperature & humidity sensors to Home Assistant (HA) using Modbus.
- [eHome HA](https://kb.linknlink.com/kb/smart-home-devices/ehome-ha.md)
- [Set Up eHome HA](https://kb.linknlink.com/kb/smart-home-devices/ehome-ha/set-up-ehome-ha.md)
- [Update from eHome](https://kb.linknlink.com/kb/smart-home-devices/ehome-ha/update-from-ehome.md)
- [eTHS / eSensor](https://kb.linknlink.com/kb/smart-home-devices/eths-esensor.md)
- [Installation](https://kb.linknlink.com/kb/smart-home-devices/eths-esensor/installation.md)
- [BLE Accessories](https://kb.linknlink.com/kb/smart-home-devices/ble-accessories.md)
- [zigbee Accessories](https://kb.linknlink.com/kb/smart-home-devices/zigbee-accessories.md)
- [Other Products](https://kb.linknlink.com/kb/smart-home-devices/other-products.md)
- [Updates](https://kb.linknlink.com/kb/smart-home-devices/updates.md)
- [LinknLink App Updates](https://kb.linknlink.com/kb/smart-home-devices/updates/linknlink-app-updates.md)
- [Firmware Updates](https://kb.linknlink.com/kb/smart-home-devices/updates/firmware-updates.md)
- [Local Upgrade](https://kb.linknlink.com/kb/smart-home-devices/updates/local-upgrade.md)