{"id":2815,"date":"2025-11-04T12:00:00","date_gmt":"2025-11-04T11:00:00","guid":{"rendered":"https:\/\/sascha-brockel.de\/?p=2815"},"modified":"2025-11-29T23:59:19","modified_gmt":"2025-11-29T22:59:19","slug":"freezer-smart-monitor-temp-1-with-home-assistant","status":"publish","type":"post","link":"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/","title":{"rendered":"Smart freezer monitoring: TEMP-1 with Home Assistant"},"content":{"rendered":"<p class=\"wp-block-yoast-seo-estimated-reading-time 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\">Estimated reading time: <\/span><span class=\"yoast-reading-time__reading-time\">7<\/span><span class=\"yoast-reading-time__time-unit\"> minutes<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the freezer breaks down unnoticed, food worth several hundred euros can be lost. Smart temperature monitoring is therefore a real game changer - and this is where the <strong>Apollo Temp 1 sensor<\/strong> into play. In combination with <strong>Home Assistant<\/strong> turns your freezer into a networked safety system that alerts you immediately in the event of a problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this article, I will show you step by step how to set up the Apollo Temp 1 sensor, integrate it into Home Assistant and use it reliably for alerts and automation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Funnily enough, I have to say that I bought the wrong sensor myself. The ESP32 board is correct, but there is the food sensor and the temperature sensor and I bought the food sensor instead of the temperature sensor. The latter should be more accurate for the purpose of the refrigerator or freezer. You can buy the sensor directly from Apollo Automation. But be smarter than me and use an EU retailer to save yourself high customs and shipping fees. All specifications for the <a href=\"https:\/\/apolloautomation.com\/products\/temp-1?srsltid=AfmBOopyyJ7O5AijD1ggS06tfMeTnAhWqIE39cItwlnvvcR09IxLpLZi\" target=\"_blank\" rel=\"noreferrer noopener\">Apollo TEMP-1 temperature sensor<\/a> you can read on the link.<\/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\/freezer-smart-monitor-temp-1-with-home-assistant\/#Warum_der_Apollo_Temp_1_ideal_fur_den_Gefrierschrank_ist\" >Why the Apollo Temp 1 is ideal for the freezer<\/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\/freezer-smart-monitor-temp-1-with-home-assistant\/#Voraussetzungen\" >Requirements<\/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\/freezer-smart-monitor-temp-1-with-home-assistant\/#Einrichtung_Schritt_fur_Schritt\" >Setup step by step<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#1_Mit_dem_Hotspot_des_Sensors_verbinden\" >1. connect to the hotspot of the sensor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#2_In_ESPHome_erscheint_das_Gerat_automatisch\" >2. the device appears automatically in ESPHome<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#3_In_Home_Assistant_hinzufugen\" >3. add to Home Assistant<\/a><\/li><\/ul><\/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\/freezer-smart-monitor-temp-1-with-home-assistant\/#Wichtige_Einstellung_Probe-Type_auf_%E2%80%9EFood%E2%80%9C_stellen\" >Important setting: Set sample type to \"Food\"<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Drei_wichtige_Temperatur-Helfer_einrichten\" >Set up three important temperature helpers<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#So_erstellst_du_die_Helfer\" >How to create the helpers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Beispiel_Temperaturwarnungen_in_Home_Assistant_einrichten\" >Example: Setting up temperature warnings in Home Assistant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Automation_1_Tur_offen_30-Minuten-Trend\" >Automation 1: Door open? (30-minute trend)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Funktionsprinzip\" >Functional principle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Automation_Beispiel\" >Automation (example)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Erklarung\" >Explanation<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Automation_2_Gefrierschrank_taut_ab_24h_7d_Trend\" >Automation 2: Freezer defrosting (24h \/ 7d trend)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Automation_Beispiel-2\" >Automation (example)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Erklarung-2\" >Explanation<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Weitere_sinnvolle_Automationen\" >Other useful automations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Vorteile_der_WLAN-Variante_gegenuber_Bluetooth\" >Advantages of the WLAN version compared to Bluetooth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-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-21\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Fazit\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/sascha-brockel.de\/en\/freezer-smart-monitor-temp-1-with-home-assistant\/#Nutzliche_Links\" >Useful links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-warum-der-apollo-temp-1-ideal-fur-den-gefrierschrank-ist\"><span class=\"ez-toc-section\" id=\"Warum_der_Apollo_Temp_1_ideal_fur_den_Gefrierschrank_ist\"><\/span>Why the Apollo Temp 1 is ideal for the freezer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The sensor is optimized for smart home use and offers the following advantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>connects via <strong>2.4 GHz WLAN<\/strong><\/li>\n\n\n\n<li>is automatically generated by <strong>ESPHome<\/strong> recognized<\/li>\n\n\n\n<li>continuously transmits temperature values<\/li>\n\n\n\n<li>Ideal for freezers and refrigerators<\/li>\n\n\n\n<li>Energy-saving and very reliable<\/li>\n\n\n\n<li>Modern, compact and can be used without additional hardware<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This makes it significantly more stable and reliable than many Bluetooth variants<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/sascha-brockel.de\/wp-content\/uploads\/2025\/11\/ApolloTEMP-1.png?ssl=1\"><img data-recalc-dims=\"1\" data-dominant-color=\"4a4946\" data-has-transparency=\"true\" style=\"--dominant-color: #4a4946;\" fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" data-id=\"2821\" src=\"https:\/\/i0.wp.com\/sascha-brockel.de\/wp-content\/uploads\/2025\/11\/ApolloTEMP-1.png?resize=750%2C750&#038;ssl=1\" alt=\"ApolloTEMP 1\" class=\"wp-image-2821 has-transparency\"\/><\/a><figcaption class=\"wp-element-caption\">Apollo TEMP-1 with temperature sensor<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/sascha-brockel.de\/wp-content\/uploads\/2025\/11\/ApolloTEMP-1-Backofen.png?ssl=1\"><img data-recalc-dims=\"1\" data-dominant-color=\"847f6b\" data-has-transparency=\"true\" style=\"--dominant-color: #847f6b;\" decoding=\"async\" width=\"750\" height=\"750\" data-id=\"2822\" src=\"https:\/\/i0.wp.com\/sascha-brockel.de\/wp-content\/uploads\/2025\/11\/ApolloTEMP-1-Backofen.png?resize=750%2C750&#038;ssl=1\" alt=\"ApolloTEMP 1 Oven\" class=\"wp-image-2822 has-transparency\"\/><\/a><figcaption class=\"wp-element-caption\">Apollo TEMP-1 with food sensor on the oven<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Voraussetzungen\"><\/span>Requirements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You will need the following for the setup:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apollo Temp 1 sensor<\/li>\n\n\n\n<li>Home Assistant with activated <strong>ESPHome integration<\/strong><\/li>\n\n\n\n<li>Smartphone for the initial WLAN setup<\/li>\n\n\n\n<li>Access to your home's 2.4 GHz WLAN<\/li>\n<\/ul>\n\n\n\n<div class=\"atkp-container atkp-grid_3_columns-box  atkp-template-grid_3_columns\">\n            <div class=\"atkp-clearfix atkp-box-3-cols\">\n                            <div class=\"atkp-box atkp-smallbox atkp-box-3-cols-item atkp-clearfix\">\n                    <div class=\"atkp-thumb\">\n                                                    <img decoding=\"async\" class=\"atkp-image\" src=\"https:\/\/m.media-amazon.com\/images\/I\/31SrMxMLh7L._SL160_.jpg\"\n                                 alt=\"SONOFF SNZB-02LD Zigbee waterproof temperature sensor with 1.5 m stainless steel probe, LCD display, -40~115\u00b0C range, APP monitoring, magnetic mount, compatible with Zigbee hub\"\/>\n                                            <\/div>\n                    <div class=\"atkp-content\">\n                                                    <a class=\"atkp-title\" href=\"https:\/\/www.amazon.de\/dp\/B0FCG8N5NC?tag=sasbro0a-21&linkCode=osi&th=1&psc=1\" rel=\"sponsored nofollow noopener\" target=\"_blank\"  title=\"Buy now at Amazon\">SONOFF SNZB-02LD Zigbee waterproof temperature sensor with 1.5 m stainless steel probe, LCD display, -40~115\u00b0C range, app monitoring, magnetic mount, compatible with Zigbee hub*<\/a>\n                                                <div class=\"atkp-author\">by SONOFF<\/div>\n                    <\/div>\n                    <div class=\"atkp-bottom\">\n                        <div class=\"atkp-ratingbar\">\n                                                            <div class=\"atkp-rating\"><span class=\"atkp-star atkp-star-0 atkp-star-00\" title=\"0.00 of 5 stars\"><\/span><\/div>\n                                                        <div class=\"atkp-primelogo\"><\/div>\n                            <div class=\"atkp-clearfix\"><\/div>\n                        <\/div>\n                                                    <span class=\"atkp-price atkp-saleprice\">\n                                Price: &euro; 15.82\n                                                                    <span class=\"atkp_price atkp-baseprice\"><\/span>\n                                                            <\/span>\n                                                                            <a href=\"https:\/\/www.amazon.de\/dp\/B0FCG8N5NC?tag=sasbro0a-21&linkCode=osi&th=1&psc=1\" rel=\"sponsored nofollow noopener\" target=\"_blank\"  title=\"Buy now at Amazon\" class=\"atkp-button\">Buy now on Amazon*<\/a>\n                        \n                        \n                                                    <span class=\"atkp-priceinfo\">Price incl. VAT, Excl. shipping<\/span>\n                                                                            <div class=\"atkp-shoplogo\">Amazon<\/div>\n                                            <\/div>\n                <\/div>\n                            <div class=\"atkp-box atkp-smallbox atkp-box-3-cols-item atkp-clearfix\">\n                    <div class=\"atkp-thumb\">\n                                                    <img decoding=\"async\" class=\"atkp-image\" src=\"https:\/\/m.media-amazon.com\/images\/I\/31Oj6oSvUqL._SL160_.jpg\"\n                                 alt=\"Aqara temperature and humidity sensor, Requires Aqara Hub, Zigbee, for remote monitoring and smart home, Wireless hygrometer thermometer, Compatible with Apple HomeKit, Alexa, IFTTT\"\/>\n                                            <\/div>\n                    <div class=\"atkp-content\">\n                                                    <a class=\"atkp-title\" href=\"https:\/\/www.amazon.de\/dp\/B07D37FKGY?tag=sasbro0a-21&linkCode=osi&th=1&psc=1\" rel=\"sponsored nofollow noopener\" target=\"_blank\"  title=\"Buy now at Amazon\">Aqara temperature and humidity sensor, Requires Aqara Hub, Zigbee, for remote monitoring and smart home, Wireless hygrometer thermometer, Compatible with Apple HomeKit, Alexa, IFTTT*<\/a>\n                                                <div class=\"atkp-author\">by Aqara<\/div>\n                    <\/div>\n                    <div class=\"atkp-bottom\">\n                        <div class=\"atkp-ratingbar\">\n                                                            <div class=\"atkp-rating\"><span class=\"atkp-star atkp-star-0 atkp-star-00\" title=\"0.00 of 5 stars\"><\/span><\/div>\n                                                        <div class=\"atkp-primelogo\"><\/div>\n                            <div class=\"atkp-clearfix\"><\/div>\n                        <\/div>\n                                                    <span class=\"atkp-price atkp-saleprice\">\n                                Price: \u20ac 14.99\n                                                                    <span class=\"atkp_price atkp-baseprice\"><\/span>\n                                                            <\/span>\n                                                                            <a href=\"https:\/\/www.amazon.de\/dp\/B07D37FKGY?tag=sasbro0a-21&linkCode=osi&th=1&psc=1\" rel=\"sponsored nofollow noopener\" target=\"_blank\"  title=\"Buy now at Amazon\" class=\"atkp-button\">Buy now on Amazon*<\/a>\n                        \n                        \n                                                    <span class=\"atkp-priceinfo\">Price incl. VAT, Excl. shipping<\/span>\n                                                                            <div class=\"atkp-shoplogo\">Amazon<\/div>\n                                            <\/div>\n                <\/div>\n                            <div class=\"atkp-box atkp-smallbox atkp-box-3-cols-item atkp-clearfix\">\n                    <div class=\"atkp-thumb\">\n                                                    <img decoding=\"async\" class=\"atkp-image\" src=\"https:\/\/m.media-amazon.com\/images\/I\/11QQHFz6--L._SL160_.jpg\"\n                                 alt=\"GERUI WLAN Smart Thermometer Hygrometer, Digital Mini Indoor Temperature and Humidity Sensor, Room Temperature Humidity Sensor App for Greenhouse Cellar,Compatible Alexa\/Google Home\/Tuya\"\/>\n                                            <\/div>\n                    <div class=\"atkp-content\">\n                                                    <a class=\"atkp-title\" href=\"https:\/\/www.amazon.de\/dp\/B0DG55CMPQ?tag=sasbro0a-21&linkCode=osi&th=1&psc=1\" rel=\"sponsored nofollow noopener\" target=\"_blank\"  title=\"Buy now at Amazon\">GERUI WLAN Smart Thermometer Hygrometer, Digital Mini Indoor Temperature and Humidity Sensor, Room Temperature Humidity Sensor App for Greenhouse Cellar,Compatible Alexa\/Google Home\/Tuya*<\/a>\n                                                <div class=\"atkp-author\">by GERUI<\/div>\n                    <\/div>\n                    <div class=\"atkp-bottom\">\n                        <div class=\"atkp-ratingbar\">\n                                                            <div class=\"atkp-rating\"><span class=\"atkp-star atkp-star-0 atkp-star-00\" title=\"0.00 of 5 stars\"><\/span><\/div>\n                                                        <div class=\"atkp-primelogo\"><\/div>\n                            <div class=\"atkp-clearfix\"><\/div>\n                        <\/div>\n                                                    <span class=\"atkp-price atkp-saleprice\">\n                                Price: &euro; 9.01\n                                                                    <span class=\"atkp_price atkp-baseprice\"><\/span>\n                                                            <\/span>\n                                                                            <a href=\"https:\/\/www.amazon.de\/dp\/B0DG55CMPQ?tag=sasbro0a-21&linkCode=osi&th=1&psc=1\" rel=\"sponsored nofollow noopener\" target=\"_blank\"  title=\"Buy now at Amazon\" class=\"atkp-button\">Buy now on Amazon*<\/a>\n                        \n                        \n                                                    <span class=\"atkp-priceinfo\">Price incl. VAT, Excl. shipping<\/span>\n                                                                            <div class=\"atkp-shoplogo\">Amazon<\/div>\n                                            <\/div>\n                <\/div>\n                    <\/div>\n            <\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Einrichtung_Schritt_fur_Schritt\"><\/span>Setup step by step<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Mit_dem_Hotspot_des_Sensors_verbinden\"><\/span>1. connect to the hotspot of the sensor<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After switching on, the Apollo Temp 1 starts in the <strong>Access point mode<\/strong>.<br>You will find a WLAN with the name on your smartphone:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Apollo TEMP1 Hotspot<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Connect to it. The configuration portal will then open automatically (if not, open the browser and <code>192.168.4.1<\/code> enter).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There you enter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>yours <strong>2.4 GHz WLAN<\/strong><\/li>\n\n\n\n<li>the password<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The sensor now connects to your network and restarts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_In_ESPHome_erscheint_das_Gerat_automatisch\"><\/span>2. the device appears automatically in ESPHome<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As soon as the sensor is in the WLAN, Home Assistant recognizes it via the <strong>ESPHome integration<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You will then see the hint:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><em>\"New ESPHome device found: Apollo Temp 1\"<\/em><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Here you click on <strong>Install<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The firmware is installed automatically (OTA).<br>After completion, the device appears completely in ESPHome.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_In_Home_Assistant_hinzufugen\"><\/span>3. add to Home Assistant<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Once the firmware has been successfully installed, the sensor appears in the area:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Devices &amp; services \u2192 ESPHome<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There you can simply click on <strong>Add<\/strong> click.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Home Assistant automatically creates the following sensors:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature<\/li>\n\n\n\n<li>Status<\/li>\n\n\n\n<li>WLAN signal<\/li>\n\n\n\n<li>Battery voltage \/ supply<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This completes the technical setup.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wichtige_Einstellung_Probe-Type_auf_%E2%80%9EFood%E2%80%9C_stellen\"><\/span><strong>Important setting: Set sample type to \"Food\"<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You will find the option in the device settings:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Select sample<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">To obtain measured values in the freezer, you must set the sensor to :<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Food<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">set. But that depends on which sensor you have. In my case, it is also the food sensor in the video, even if I use it for a different purpose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This ensures that the measurement logic and calibration is optimized for food and frozen food tracking.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Drei_wichtige_Temperatur-Helfer_einrichten\"><\/span>Set up three important temperature helpers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You need three <em>Statistics helper<\/em>each of which is the <strong>Median<\/strong> (or average) of a certain period of time:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>30-minute average \/ median<\/strong><\/li>\n\n\n\n<li><strong>24-hour average \/ median<\/strong><\/li>\n\n\n\n<li><strong>7-day average \/ median<\/strong><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_erstellst_du_die_Helfer\"><\/span>How to create the helpers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Settings \u2192 Devices &amp; services \u2192 Helpers<\/strong><\/li>\n\n\n\n<li><strong>Add helper<\/strong><\/li>\n\n\n\n<li>Type: <strong>Statistics<\/strong><\/li>\n\n\n\n<li>Source: <code>sensor.apollo_temp1_temperature<\/code><\/li>\n\n\n\n<li>Select period<\/li>\n\n\n\n<li>Aggregation method: <strong>Median<\/strong> or <strong>Mean value (Mean)<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Designations such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>sensor.freezer_temperature_30_min<\/code><\/li>\n\n\n\n<li><code>sensor.freezer_temperature_24_hours<\/code><\/li>\n\n\n\n<li><code>sensor.freezer_temperature_7_days<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">are assigned automatically or you can define them yourself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-beispiel-temperaturwarnungen-in-home-assistant-einrichten\"><span class=\"ez-toc-section\" id=\"Beispiel_Temperaturwarnungen_in_Home_Assistant_einrichten\"><\/span>Example: Setting up temperature warnings in Home Assistant<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You should create an automation so that you are informed immediately in an emergency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Trigger:<\/strong><br>Temperature of the Apollo Temp 1 rises above <strong>-15 \u00b0C<\/strong><\/li>\n\n\n\n<li><strong>Condition:<\/strong><br>Temperature remains longer than <strong>3-5 minutes<\/strong> above (prevents false door-opening alarms)<\/li>\n\n\n\n<li><strong>Action:<\/strong><br>Mobile notification such as:<br><em>\"\u26a0\ufe0f Freezer is getting too warm! Please check.\"<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Of course, you can also configure alarm sounds, light signals or push messages to multiple devices. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automation_1_Tur_offen_30-Minuten-Trend\"><\/span>Automation 1: Door open? (30-minute trend)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This automated system reliably detects whether the door is open.<br>The average of the last 30 minutes only increases significantly if there really is a problem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Funktionsprinzip\"><\/span>Functional principle<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Short-term door openings cause <em>no alarm<\/em>.<\/li>\n\n\n\n<li>A real rise in temperature over several minutes triggers the warning.<\/li>\n\n\n\n<li>Ideal for households with children or frequent access.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automation_Beispiel\"><\/span>Automation (example)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>alias: Freezer door open?\ntriggers:\n  - entity_id: sensor.freezer_temperature_30_min\n    above: -7\n    trigger: numeric_state\nconditions: []\nactions:\n  - data:\n      title: Freezer warning\n      message: &gt;\n        The 30-minute average is set to {{\n        states('sensor.freezer_temperature_30_min') }} \u00b0C.\n        The door may be open.\n    action: notify.smartphones<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Erklarung\"><\/span>Explanation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Trigger:<\/strong> Average over -7 \u00b0C \u2192 unusually warm<\/li>\n\n\n\n<li><strong>Action:<\/strong> Instant push message<\/li>\n\n\n\n<li><strong>Benefit:<\/strong> Detection within a few minutes, but without false alarms<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automation_2_Gefrierschrank_taut_ab_24h_7d_Trend\"><\/span>Automation 2: Freezer defrosting (24h \/ 7d trend)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This automation analyzes two important trend lines:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>24-hour median<\/li>\n\n\n\n<li>7-day median<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When <strong>both<\/strong> If the engine speed exceeds critical values, there could be an insidious defect - such as loss of coolant or weak compression.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automation_Beispiel-2\"><\/span>Automation (example)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>alias: Freezer defrosting (24h \/ 7d trend)\ndescription: \"\"\ntriggers:\n  - value_template: |\n      {{ states('sensor.freezer_temperature_24_hour') &gt; -10 or\n         states('sensor.freezer_temperature_7_days') &gt; -12 }}\n    trigger: template\nactions:\n  - data:\n      title: \"Freezer: defrost warning\"\n      message: &gt;\n        24h average: {{ states('sensor.freezer_temperature_24_h')\n        }} \u00b0C 7d average: {{\n        states('sensor.freezer_temperature_7_days') }} \u00b0C The\n        freezer seems to be defrosting!\n    action: notify.smartphones<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Erklarung-2\"><\/span>Explanation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>24h &gt; -10 \u00b0C<\/strong> \u2192 clear daily trend<\/li>\n\n\n\n<li><strong>7 days &gt; -12 \u00b0C<\/strong> \u2192 Long-term trend also rising<\/li>\n\n\n\n<li><strong>Warning:<\/strong> The device <em>loses power<\/em> \u2192 Intervene at an early stage!<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This method is much more reliable than a pure temperature limit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Weitere_sinnvolle_Automationen\"><\/span>Other useful automations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Battery\/voltage warning<\/strong>before the power supply weakens<\/li>\n\n\n\n<li><strong>WLAN signal weak \u2192 Display message<\/strong><\/li>\n\n\n\n<li><strong>Create long-term statistics via history\/graphs<\/strong><\/li>\n\n\n\n<li><strong>Temperature logging for weeks and months<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This means you always have control over your freezer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vorteile_der_WLAN-Variante_gegenuber_Bluetooth\"><\/span>Advantages of the WLAN version compared to Bluetooth<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Significantly greater range<\/li>\n\n\n\n<li>No proxy devices required<\/li>\n\n\n\n<li>More stable connections<\/li>\n\n\n\n<li>Top integration thanks to ESPHome<\/li>\n\n\n\n<li>OTA updates directly in Home Assistant<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">WLAN has a clear advantage, especially in kitchens or basements.<\/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\">\n<iframe title=\"THIS temperature sensor can do more than you think! Home Assistant with Apollo TEMP-1 for freezer\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/Xx0A4h5EcTM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\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\">The Apollo Temp 1 sensor offers a <strong>Solid, stable and really smart solution<\/strong>to monitor a freezer. Thanks to Wi-Fi connectivity, ESPHome integration and Home Assistant automations, you get a reliable early warning system that informs you in good time and prevents food loss.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nutzliche_Links\"><\/span>Useful links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Apollo Temp 1 manufacturer page<\/strong><br><a href=\"https:\/\/apolloautomation.com\/products\/temp-1\">https:\/\/apolloautomation.com\/products\/temp-1<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ESPHome - Documentation<\/strong><br><a href=\"https:\/\/esphome.io\/\">https:\/\/esphome.io\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Statistics helper<\/strong> <strong>-<\/strong> <strong>Home Assistant<\/strong><br><a href=\"https:\/\/www.home-assistant.io\/integrations\/statistics\/\">https:\/\/www.home-assistant.io\/integrations\/statistics\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Automations<\/strong> <strong>-<\/strong> <strong>Home Assistant<\/strong><br><a href=\"https:\/\/www.home-assistant.io\/docs\/automation\/\">https:\/\/www.home-assistant.io\/docs\/automation\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ESPHome integration<\/strong> <strong>-<\/strong> <strong>Home Assistant <\/strong><br><a href=\"https:\/\/www.home-assistant.io\/integrations\/esphome\/\">https:\/\/www.home-assistant.io\/integrations\/esphome\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Forum: Home Assistant Community<\/strong><br><a href=\"https:\/\/community.home-assistant.io\/\">https:\/\/community.home-assistant.io\/<\/a><\/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>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Wenn der Gefrierschrank unbemerkt ausf\u00e4llt, k\u00f6nnen Lebensmittel im Wert von mehreren hundert Euro verloren gehen. Eine smarte Temperatur\u00fcberwachung ist daher ein echter Gamechanger \u2013 und genau hier kommt der Apollo Temp 1 Sensor ins Spiel. In Kombination mit Home Assistant wird aus deinem Gefrierschrank ein vernetztes Sicherheitssystem, das dich bei [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2818,"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":false,"jetpack_social_post_already_shared":true,"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":[46,28],"class_list":["post-2815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-smart-home","tag-home-assistant","tag-smart-home"],"yoast_head":"<!-- This site is optimized with the Yoast 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