{"id":1573,"date":"2024-03-29T13:00:00","date_gmt":"2024-03-29T12:00:00","guid":{"rendered":"https:\/\/sascha-brockel.de\/?p=1573"},"modified":"2024-04-28T04:12:18","modified_gmt":"2024-04-28T02:12:18","slug":"smart-water-sensor-with-home-assistant","status":"publish","type":"post","link":"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/","title":{"rendered":"15\u20ac water sensor as smart prevention against water damage with Home Assistant"},"content":{"rendered":"<p class=\"yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><svg aria-hidden=\"true\" focusable=\"false\" data-icon=\"clock\" width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" style=\"display:inline-block;vertical-align:-0.1em\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z\"><\/path><\/svg><\/span><span class=\"yoast-reading-time__spacer\" style=\"display:inline-block;width:1em\"><\/span><span class=\"yoast-reading-time__descriptive-text\">Expected Reading Time:  <\/span><span class=\"yoast-reading-time__reading-time\">9<\/span><span class=\"yoast-reading-time__time-unit\"> minutes<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Water damage can cause real chaos in your home. It often comes unexpectedly and can result in expensive repairs. But you can take action now and protect your house or apartment with a smart solution that is not only effective but also surprisingly affordable: a \u20ac15 water sensor integrated into your Home Assistant system.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Benefit from instant notification<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">As soon as the water sensor detects moisture, it sends an immediate notification to your smartphone. This allows you to react quickly, even if you are not at home. You can turn off the tap, close the main water pipe or ask neighbors and friends to check on things before a small leak turns into major damage.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Automate your reactions<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">With Home Assistant, you can go one step further. You can set up automated processes that become active when water is detected. For example, you can automatically turn off smart taps or a smart main water valve, flash lights to attract your attention or even send an alarm message to your security company.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Monitor continuously and keep your home safe<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The beauty of this solution lies in its simplicity and efficiency. For just \u20ac15 and a little time to set it up, you get a powerful tool that monitors your home around the clock and protects it from potential water damage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For detailed instructions and explanations of all configuration options, I recommend watching the YouTube video linked below. This video goes into detail about each individual setting, providing you with comprehensive instructions on how to set everything up correctly. Any code from the video can be found in this article, so you can use it directly without having to type it out.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Voraussetzungen_Starte_mit_der_einfachen_Installation\" >Requirements: Start with the simple installation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Was_ist_Home_Assistant\" >What is Home Assistant?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Was_ist_Zigbee\" >What is Zigbee?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Was_ist_Zigbee2MQTT\" >What is Zigbee2MQTT?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Automatisierung_in_Home_Assistant\" >Automation in Home Assistant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Umsetzung_im_YouTube-Video\" >YouTube video implementation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sascha-brockel.de\/en\/smart-water-sensor-with-home-assistant\/#Fazit\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-voraussetzungen-starte-mit-der-einfachen-installation\"><span class=\"ez-toc-section\" id=\"Voraussetzungen_Starte_mit_der_einfachen_Installation\"><\/span>Requirements: Start with the simple installation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">First of all, get yourself a <strong>Water sensor <\/strong>like the <a href=\"https:\/\/amzn.to\/4ayVrEm\" target=\"_blank\" rel=\"noreferrer noopener\">Aqara SJCGQ11LM<\/a> for around \u20ac15. These sensors are small, unobtrusive and easy to place in places where water damage is likely, such as near washing machines, dishwashers, water pipes or in the bathroom. Installation is very simple: you place the sensor, connect it to your Wi-Fi or preferred Zigbee system and then integrate it into your existing Home Assistant system.<\/p>\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zigbee coordinator<\/strong>Since the water sensor communicates via Zigbee, a Zigbee coordinator is required to convert the sensor's signal into a format that can be processed by Home Assistant. Examples of coordinators are USB sticks such as the <a href=\"https:\/\/amzn.to\/3PGbpVf\" target=\"_blank\" rel=\"noreferrer noopener\">Phoscon ConBee III, SONOFF Zigbee 3.0, Home Assistant SkyConnect<\/a> or others.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Home Assistant installation<\/strong>You must have already installed and configured Home Assistant. This includes access to the Home Assistant interface via a network.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zigbee2MQTT<\/strong>For those who wish to integrate the water sensor directly into Home Assistant without the use of proprietary gateways, the installation and configuration of Zigbee2MQTT is required. This requires additional steps, such as the configuration of Zigbee2MQTT.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MQTT broker<\/strong>For advanced integrations, as in the case of Zigbee2MQTT, an MQTT broker is required. Eclipse Mosquitto, for example, can be used for this. This is also available as a Docker container.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-was-ist-home-assistant\"><span class=\"ez-toc-section\" id=\"Was_ist_Home_Assistant\"><\/span>What is Home Assistant?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Home Assistant is an open-source platform for home automation that aims to connect all devices in the home and control them centrally. It was developed to provide a unified user interface and simple, flexible control for a wide range of smart home devices from different ecosystems. Here are some points in favor of Home Assistant:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Compatibility<\/strong>Home Assistant supports thousands of devices and services from various manufacturers, including lighting, air conditioning, heating, cameras, weather sensors, voice assistants and more.<\/li>\n\n\n\n<li><strong>Local control<\/strong>Unlike many commercial smart home platforms that rely on cloud services, Home Assistant runs locally on your network. This means increased privacy and reliability, as your smart home devices work even without an active internet connection.<\/li>\n\n\n\n<li><strong>Automation and scenes<\/strong>One of the main features of Home Assistant is the ability to create complex automations and scenarios. For example, you can have lights turn on automatically when it gets dark, or turn on the heating when the temperature drops below a certain level.<\/li>\n\n\n\n<li><strong>Simple user interface<\/strong>Home Assistant offers a user-friendly interface that makes it easy to monitor and control devices. This interface is fully customizable.<\/li>\n\n\n\n<li><strong>Integration with voice assistants<\/strong>Home Assistant can be integrated with voice assistants such as Amazon Alexa or Google Assistant to enable voice-controlled control of your smart home devices.<\/li>\n\n\n\n<li><strong>Open source and community-driven<\/strong>Since Home Assistant is open source, it is supported by an active community that is constantly developing new integrations and improving existing ones.<\/li>\n\n\n\n<li><strong>Data protection and security<\/strong>As a locally running platform, Home Assistant has the advantage that the data remains within its own network. This protects privacy and increases security compared to cloud-based solutions.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">In summary, Home Assistant is a powerful and flexible solution for those who want to design their own smart home and control their devices centrally, regardless of the manufacturer or ecosystem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Was_ist_Zigbee\"><\/span><br>What is Zigbee?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zigbee is an open, global standard for wireless technologies that has been specially developed to enable a wide range of devices to communicate with each other in low-power networks. This technology aims to enable simple and secure communication between devices at close range, with a focus on energy efficiency and reliability. Zigbee is often used in smart home and IoT environments to connect a wide range of devices such as light switches, sensors, thermostats and security systems. One of the biggest advantages of Zigbee is its ability to form mesh networks, which means that each device can communicate with other devices to relay the signal. This increases the range and reliability of the entire network, as communication is not dependent on a central hub, but is achieved by networking many individual devices.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Was_ist_Zigbee2MQTT\"><\/span>What is Zigbee2MQTT?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zigbee2MQTT acts as a bridge between your Zigbee network and your home automation system by converting Zigbee device communication into MQTT (Message Queuing Telemetry Transport) messages. MQTT is a lightweight messaging protocol designed specifically for small sensors and mobile devices and is ideal for IoT applications. Zigbee2MQTT makes it possible to integrate Zigbee devices into Home Assistant, OpenHAB, Domoticz or any other home automation system that supports MQTT.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main strength of Zigbee2MQTT lies in its flexibility and the ability to connect devices across manufacturers. Many smart home devices use proprietary protocols that make them difficult to integrate into a centralized home automation system. With Zigbee2MQTT, you can integrate a wide range of Zigbee devices from different manufacturers into your system without having to rely on specific gateways or bridges. As a result, Zigbee2MQTT opens up a world of new possibilities for DIY enthusiasts and home automation enthusiasts who want to customize their smart home environment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-automatisierung-in-home-assistant\"><span class=\"ez-toc-section\" id=\"Automatisierung_in_Home_Assistant\"><\/span>Automation in Home Assistant<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>alias: Monitor - Water leak\ndescription: &gt;-\n  Water leak monitoring. Test does not work with state_attr in Title\n  and\/or message. Tested 07.08.2023\ntrigger:\n  - platform: state\n    entity_id:\n      - binary_sensor.wassersensor_kuche_water_leak\n    to: \"on\"\ncondition: []\naction:\n  - service: notify.smartphones\n    data:\n      title: |\n        \ud83d\udca6 Water leak! \ud83d\udca6\n      message: \u26a0\ufe0f Water is leaking in the kitchen! \u26a0\ufe0f\n      data:\n        notification_icon: mdi:alert\n        channel: Emergency\n        priority: high\n        ttl: 0\n        color: red\n        push:\n          sound:\n            name: default\n            critical: 1\n            volume: 1\n  - service: script.nachricht_uber_alexa\n    data:\n      message: Attention, water is leaking in the kitchen!\n      target:\n        - media_player.saschas_echo_dot_kuche\n        - media_player.saschas_echo_dot_living_room\n        - media_player.saschas_echo_show\n        - media_player.saschas_fire\n  - alias: TTS warning (Android)\n    service: notify.mobile_app_sm_g990b\n    data:\n      message: TTS\n      data:\n        ttl: 0\n        priority: high\n        media_stream: alarm_stream_max\n        tts_text: Water leak! Water is leaking in the kitchen!\nmode: parallel<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">This Home Assistant automation called \"Monitor - Water Leak\" is designed to alert you immediately in the event of a water leak in the kitchen. The automation is triggered as soon as the status of the water sensor specified in the configuration (<code>binary_sensor.wassersensor_kuche_water_leak<\/code>) changes to \"on\", which means that water has been detected.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are no conditions (<code>condition: []<\/code>) for this automation, which means that the actions are carried out immediately after triggering, without additional checks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The actions include:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Send notifications to smartphones<\/strong>A high priority notification is sent to the \"smartphones\" group. The title and message of the notification explicitly indicate a water leak in the kitchen, with corresponding emojis for additional attention. Additional parameters such as an emergency channel, priority setting, color and an alarm sound are set to increase the urgency of the notification.<\/li>\n\n\n\n<li><strong>Output message via Alexa devices<\/strong>: A script <code>script.message_uber_alexa<\/code> is called up, which issues a spoken warning via various Alexa devices in Sascha's household, including Echo Dot in the kitchen and living room, Echo Show and Fire. This provides an audible alarm in the house.<\/li>\n\n\n\n<li><strong>Text-to-speech (TTS) warning to an Android device<\/strong>: A TTS notification is sent to a specific Android device (<code>notify.mobile_app_sm_g990b<\/code>) is sent. The message contains a TTS text that is read out loud to draw attention to the water leak. The notification is sent with high priority and uses the maximum alert tone to ensure it is not missed. There are also options to play a loud sound for iPhones running iOS.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The automation is set so that all actions are executed in parallel (<code>mode: parallel<\/code>), which means that all notifications and alerts are sent simultaneously to ensure an immediate response.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is a comprehensive warning system for water leaks that combines visual, audible and spoken notifications to ensure that the user is informed immediately and can act accordingly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"youtube\"><span class=\"ez-toc-section\" id=\"Umsetzung_im_YouTube-Video\"><\/span>YouTube video implementation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/youtu.be\/dCWS6Qd6XvQ\n<\/div><\/figure>\n\n\n<p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fazit\"><span class=\"ez-toc-section\" id=\"Fazit\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Water damage can be a nightmare, but with an affordable water sensor for as little as \u20ac15 and Home Assistant, you can take control of the situation. Not only are you adding an extra layer of security to your home, but you're also potentially saving thousands of euros in repair costs. It's an investment that pays off and shows how smart technology can make our lives easier and safer. Smoke detectors are also commonplace these days, so protect your home from unexpected water damage.<\/p>\n\n\n\n<div id=\"jp-block-themeisle-blocks-font-awesome-icons-8c6d8bc1\" class=\"wp-block-themeisle-blocks-font-awesome-icons jp-block-themeisle-blocks-font-awesome-icons\"><span class=\"wp-block-themeisle-blocks-font-awesome-icons-container\"><a href=\"https:\/\/sascha-brockel.de\/en\/#contact\" target=\"_self\" rel=\"noopener noreferrer\"><i class=\"fas fa-business-time\"><\/i><\/a><\/span><\/div>\n\n\n\n<h4 id=\"jp-block-themeisle-blocks-advanced-heading-baa7fa4c\" class=\"wp-block-themeisle-blocks-advanced-heading jp-block-themeisle-blocks-advanced-heading-baa7fa4c jp-block-themeisle-blocks-advanced-heading ticss-116fe371\">Interested, but lack time or knowledge?<\/h4>\n\n\n\n<p id=\"jp-block-themeisle-blocks-advanced-heading-16f35f43\" class=\"wp-block-themeisle-blocks-advanced-heading jp-block-themeisle-blocks-advanced-heading-16f35f43 jp-block-themeisle-blocks-advanced-heading ticss-0e2b851d\">No problem. Contact me and we will discuss your requirements. No matter if business or private.<\/p>\n\n\n\n<div id=\"jp-block-themeisle-blocks-button-group-77e0455a\" class=\"wp-block-themeisle-blocks-button-group wp-block-buttons align-center jp-block-themeisle-blocks-button-group jp-block-buttons\">\n<div id=\"jp-block-themeisle-blocks-button-c6fb3687\" class=\"wp-block-themeisle-blocks-button wp-block-button jp-block-themeisle-blocks-button jp-block-button\"><a href=\"https:\/\/sascha-brockel.de\/en\/#contact\" target=\"_self\" rel=\"noopener noreferrer\" class=\"wp-block-button__link\"><i class=\"fas fa-fw fa-phone-volume margin-right\"><\/i><span>Contact<\/span><\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Wassersch\u00e4den k\u00f6nnen in deinem Zuhause ein echtes Chaos anrichten. Sie kommen oft unerwartet und k\u00f6nnen teure Reparaturen nach sich ziehen. Doch du kannst jetzt aktiv werden und dein Haus oder deine Wohnung mit einer smarten L\u00f6sung sch\u00fctzen, die nicht nur effektiv, sondern auch \u00fcberraschend g\u00fcnstig ist: Ein 15\u20ac Wassersensor, integriert [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[32],"tags":[46,53,28],"class_list":["post-1573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-smart-home","tag-home-assistant","tag-low-budget","tag-smart-home"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>15\u20ac Wassersensor gegen Wassersch\u00e4den mit Home Assistant<\/title>\n<meta name=\"description\" content=\"Sichere dein Zuhause vor Wassersch\u00e4den mit einem g\u00fcnstigen Wassersensor und Home Assistant. 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