{"id":1401,"date":"2021-10-30T13:04:17","date_gmt":"2021-10-30T11:04:17","guid":{"rendered":"https:\/\/www.espthings.io\/?p=1401"},"modified":"2021-11-10T15:28:06","modified_gmt":"2021-11-10T14:28:06","slug":"athom-mini-relay-switch-esphome","status":"publish","type":"post","link":"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/","title":{"rendered":"Athom Mini Relay Switch for ESPhome"},"content":{"rendered":"<p>In this article we cover the Athom Mini Relay switch, a fairly small Relay switch for use behind your existing wall switch. These kind of switches are sold by manny companies, mainly based on Tuya firmware for use in a Chinese cloud, which we are not particularly a fan off, for obvious reasons. \ud83d\ude09<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1442 aligncenter\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-1024x925.png\" alt=\"Athom Mini Relay Switch for ESPhome\" width=\"360\" height=\"325\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-1024x925.png 1024w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-300x271.png 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-768x694.png 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-720x651.png 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-520x470.png 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled-320x289.png 320w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_angled.png 1142w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/p>\n<p>So what makes this one special? Well Athom sells their products with open source based firmware on them. They sell products with Tasmota, ESPhome, WLED and Homekit compatible firmware. The switch itself is really nothing special, as these switches are even sold in the same enclosure for the Tuya platform. The Tuya version does <strong>NOT<\/strong> contain a ESP8285, but the Tuya WE2S, which is not compatible with Tasmota or ESPhome!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69f31ce961cc2\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69f31ce961cc2\"  aria-label=\"Toggle\" \/><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:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/#Hardware\" >Hardware<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/#Price\" >Price<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/#Use_cases\" >Use cases<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/#Firmware_ESPhome\" >Firmware (ESPhome)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/#Configuration\" >Configuration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/10\/30\/athom-mini-relay-switch-esphome\/#Final_thoughts\" >Final thoughts<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Hardware\"><\/span>Hardware<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When we open the small 4x4x2cm enclosure we find a ESP8285 based module, A 16A 250V AC Relay, squeezed on a &#8216;OK-ish&#8217; PCB. It&#8217;s pretty much in line with all the other switches we tested. I will not rely on the Relay actually being capable of switching 16A and I would advise you to do the same.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1419 aligncenter\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/IMG_5388-962x1024.png\" alt=\"Athom Mini Relay Switch\" width=\"438\" height=\"466\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-962x1024.png 962w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-282x300.png 282w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-768x818.png 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-1442x1536.png 1442w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-1923x2048.png 1923w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-720x767.png 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-520x554.png 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5388-320x341.png 320w\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1420 aligncenter\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/IMG_5389-1004x1024.png\" alt=\"Athom Mini Relay Switch\" width=\"456\" height=\"465\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-1004x1024.png?v=1635590297 1004w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-294x300.png?v=1635590297 294w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-768x784.png?v=1635590297 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-1505x1536.png?v=1635590297 1505w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-2007x2048.png?v=1635590297 2007w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-720x735.png?v=1635590297 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-520x531.png?v=1635590297 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/IMG_5389-320x327.png?v=1635590297 320w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/p>\n<p>In my case this switch had a rather unwanted &#8216;feature&#8217; were the screw terminal was soldered the wrong way around. In the picture below you&#8217;ll find the Tuya based version on the left and the Athom version on the right.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1409 aligncenter\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/tuya_vs_athom.png\" alt=\"Athom Mini Relay Switch\" width=\"295\" height=\"273\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/tuya_vs_athom.png?v=1635587745 532w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/tuya_vs_athom-300x277.png?v=1635587745 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/tuya_vs_athom-520x481.png?v=1635587745 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/tuya_vs_athom-320x296.png?v=1635587745 320w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/p>\n<p>We contacted Athom about this, and the issue was very quickly investigated. They found no other modules where the terminals where soldered the wrong way around,. They ensured us that Quality Assessment\u00a0 would change from testing on top of the terminals to testing at the back of the terminals, which will prevent any more mistakes from happening. Many other manufacturers didn&#8217;t even bother to reply to quality issues we brought before them, so kudo&#8217;s to Athom!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Price\"><\/span>Price<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>We purchased both the <a class=\"thirstylink\" target=\"_blank\" title=\"Tuya - Mini Relay Switch\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/recommends\/tuya-mini-relay-switch\/\" data-shortcode=\"true\">Tuya version<\/a> as well as the <a class=\"thirstylink\" target=\"_blank\" title=\"ALI - Athom Mini Relay switch\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/recommends\/ali-athom-mini-relay-switch\/\" data-shortcode=\"true\">Athom version<\/a> of the Mini Relay Switch out of our own pocket on Aliexpress. The Athom version is somewhat more expensive both in unit price as well as shipping cost. Is the somewhat higher price worth it then? I my opinion it&#8217;s more then worth it. Most Tuya based devices are no longer sold with ESP8266 or ESP8285 MCU&#8217;s inside, which makes it impossible to flash an alternate firmware, but even if you still could, I would not advice you should. Soldering wires to theses devices temporarily for flashing another firmware can be a real pain and costs a lot of your time.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Use_cases\"><\/span>Use cases<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>So what could we use this switch for? Well, you could hide it behind your wall switch to control the light in your hallway, garage, staircase. As there is only one relay, which I would advise not to use with a higher load then 10A (2300Watt\/230V or 1100Watt\/110V), switching off and on light seems to be the most obvious use case, but you can utilize the switch to control other devices.<\/p>\n<div id=\"attachment_1416\" style=\"width: 414px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1416\" class=\"wp-image-1416\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch.png\" alt=\"\" width=\"404\" height=\"361\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch.png?v=1635588937 988w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch-300x268.png?v=1635588937 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch-768x687.png?v=1635588937 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch-720x644.png?v=1635588937 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch-520x465.png?v=1635588937 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_1switch-320x286.png?v=1635588937 320w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><p id=\"caption-attachment-1416\" class=\"wp-caption-text\">Using the relay with 1 switch<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_1417\" style=\"width: 417px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1417\" class=\"wp-image-1417\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches.png\" alt=\"Athom mini switch\" width=\"407\" height=\"313\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches.png?v=1635588945 1202w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches-300x231.png?v=1635588945 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches-1024x787.png?v=1635588945 1024w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches-768x590.png?v=1635588945 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches-720x553.png?v=1635588945 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches-520x400.png?v=1635588945 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/athom_mini_switch_2switches-320x246.png?v=1635588945 320w\" sizes=\"auto, (max-width: 407px) 100vw, 407px\" \/><p id=\"caption-attachment-1417\" class=\"wp-caption-text\">Using the relay with 2 switches<\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Firmware_ESPhome\"><\/span>Firmware (ESPhome)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When connection the module to AC power, it presents a Wifi Access-point with the devices name and a mac-address suffix. Just connect your computer to this Wifi network and enter your own Wifi Credentials when prompted.<\/p>\n<p>The switch will now be auto-discovered by Home Assistant. Click on the notification and follow the instructions. That&#8217;s it!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1422 aligncenter\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/ha_entities.png-1024x447.png\" alt=\"Athom Mini Relay Switch\" width=\"980\" height=\"428\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-1024x447.png?v=1635590419 1024w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-300x131.png?v=1635590419 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-768x335.png?v=1635590419 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-1536x670.png?v=1635590419 1536w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-2048x893.png?v=1635590419 2048w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-720x314.png?v=1635590419 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-520x227.png?v=1635590419 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/ha_entities.png-320x140.png?v=1635590419 320w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Configuration\"><\/span>Configuration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You can also opt to create your own ESPhome configuration or update the device. Athom has put a ESPhome <a href=\"https:\/\/github.com\/athom-tech\/athom-configs\/blob\/main\/athom-mini-switch.yaml\">configuration file on GitHub<\/a> for every single device they sell. This configurations are put together quit well and are a good starting point. Create your own config and just upload it to the web-ui of the device:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1438 aligncenter\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-1024x888.png\" alt=\"Athom Mini Relay Switch\" width=\"728\" height=\"631\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-1024x888.png?v=1635591500 1024w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-300x260.png?v=1635591500 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-768x666.png?v=1635591500 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-1536x1332.png?v=1635591500 1536w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-720x624.png?v=1635591500 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-520x451.png?v=1635591500 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1-320x277.png?v=1635591500 320w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/10\/esphome_web_ui-1.png?v=1635591500 1804w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_thoughts\"><\/span>Final thoughts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>We have used the Athom Mini Relay intensively for 2 weeks now and it still works great and reliable. For the money you pay for this thing, you really can&#8217;t go wrong!<\/p>\n<p><strong>If you enjoy our designs, reviews and news articles, please leave a comment and subscribe to our <a href=\"https:\/\/www.youtube.com\/channel\/UCeMzk2C5tbMkpsByg7Nbgyw?sub_confirmation=1\">youtube channel<\/a>, to help us grow the website and channel!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this article we cover the Athom Mini Relay switch, a fairly small Relay switch for use behind your existing wall switch. These kind of switches are sold by manny companies, mainly based on Tuya firmware for use in a Chinese cloud, which we are&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":1442,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[38],"tags":[66,42,49],"class_list":["post-1401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-athom-mini-relay-switch","tag-esphome","tag-home-assistant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Athom Mini Relay Switch for ESPhome - ingeniousmakers.com<\/title>\n<meta name=\"description\" content=\"Athom Mini Relay switch, a fairly small ESPhome compatible Relay switch for use behind your existing wall switch.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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