{"id":14129,"date":"2016-02-06T07:43:19","date_gmt":"2016-02-06T06:43:19","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=14129"},"modified":"2016-02-06T07:43:19","modified_gmt":"2016-02-06T06:43:19","slug":"improved-hot-tub-controller-run-by-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=14129","title":{"rendered":"Improved hot tub controller run by a Raspberry Pi"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/2.bp.blogspot.com\/-8dqjApVKEkg\/Vq_Fsfdbf2I\/AAAAAAAAGh0\/Nd7hm8ZSu2o\/s1600\/HotTubController.jpg?resize=560%2C678\" alt=\"\" width=\"560\" height=\"678\" \/><\/p>\n<p>Ted Hale has improved upon his Hot Tub Controller. The latest iteration is mounted directly next to the tub and does the following:<\/p>\n<ul>\n<li>Monitor the water temperature<\/li>\n<li>Turn a circulation pump and heater on to heat the water as needed<\/li>\n<li>Respond to buttons that increase\/decrease the desired temperature<\/li>\n<li>Respond to buttons that turn the water jets on and off<\/li>\n<li>Display the current temperature<\/li>\n<li>Detect various failure modes and place system in safe modeListen for commands from a smart phone app to control hot tubUpload data periodically to an Internet of Things service<\/li>\n<\/ul>\n<p>You can <a href=\"http:\/\/raspberrypihobbyist.blogspot.co.uk\/2016\/02\/improved-hot-tub-controller.html\" target=\"_blank\">read more about the controller here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ted Hale has improved upon his Hot Tub Controller. The latest iteration is mounted directly next to the tub and does the following: Monitor the water temperature Turn a circulation pump and heater on to heat the water as needed&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[25,26,39,62],"tags":[],"class_list":["post-14129","post","type-post","status-publish","format-standard","hentry","category-home-automation","category-internet-of-things","category-programming","category-sensors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Improved hot tub controller run by a Raspberry Pi - Raspberry Pi Pod<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Improved hot tub controller run by a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Ted Hale has improved upon his Hot Tub Controller. The latest iteration is mounted directly next to the tub and does the following: Monitor the water temperature Turn a circulation pump and heater on to heat the water as needed&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-02-06T06:43:19+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/2.bp.blogspot.com\/-8dqjApVKEkg\/Vq_Fsfdbf2I\/AAAAAAAAGh0\/Nd7hm8ZSu2o\/s1600\/HotTubController.jpg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14129#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Improved hot tub controller run by a Raspberry Pi\",\"datePublished\":\"2016-02-06T06:43:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\"},\"wordCount\":110,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14129#primaryimage\"},\"thumbnailUrl\":\"http:\/\/2.bp.blogspot.com\/-8dqjApVKEkg\/Vq_Fsfdbf2I\/AAAAAAAAGh0\/Nd7hm8ZSu2o\/s1600\/HotTubController.jpg\",\"articleSection\":[\"Home automation\",\"Internet of things\",\"Programming\",\"Sensors\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=14129#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14129\",\"name\":\"Improved hot tub controller run by a Raspberry Pi - 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the Bit:Commander. It's baking hot up in the office, so I'm just going to do a quick review and my thoughts on it. The micro:bit plugs into the back and then, powered by 3 AA batteries,\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/05\/bitcommander_sm.jpg?fit=800%2C747&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/05\/bitcommander_sm.jpg?fit=800%2C747&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/05\/bitcommander_sm.jpg?fit=800%2C747&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/05\/bitcommander_sm.jpg?fit=800%2C747&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":16965,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16965","url_meta":{"origin":14129,"position":1},"title":"Automating a coral reef tank with a Raspberry Pi","author":"Michael Horne","date":"22 June 2017","format":false,"excerpt":"Ranjib Dey loves his salt water aquarium which is home to a miniature, living, coral reef. 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Poopi and Piter have created a \"paludarium\" -\u00a0an enclosed biodome\u00a0in which environmental conditions are simulated - which contains both land-based and water-based lifeforms. The paludarium is controlled by a Raspberry Pi and 4 ATmega 168P chips and has the following equipment hooked up: 6 independent sections\u2026","rel":"","context":"In &quot;Art&quot;","block_context":{"text":"Art","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=56"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/04\/paludarium.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/04\/paludarium.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/04\/paludarium.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/04\/paludarium.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":16164,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16164","url_meta":{"origin":14129,"position":3},"title":"Adventure Time BMO replica uses a Raspberry Pi and RetroPie for a unique retro gaming experience","author":"Michael Horne","date":"3 January 2017","format":false,"excerpt":"NinjaBunny9000 has created a life-sized replica of BMO from Adventure Time. The case is 3D printed and the buttons on the front are routed via the innards of a generic SNES controller. The battery can last for around 24 hours and he has added a wireless games controller as well\u2026","rel":"","context":"In &quot;3D printing&quot;","block_context":{"text":"3D printing","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/i.imgur.com\/5RSiqQo.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/i.imgur.com\/5RSiqQo.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/i.imgur.com\/5RSiqQo.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/i.imgur.com\/5RSiqQo.jpg?resize=700%2C400 2x"},"classes":[]},{"id":14556,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14556","url_meta":{"origin":14129,"position":4},"title":"FUZEBOX: a new peripheral for teaching coding from the makers of the FUZE","author":"Michael Horne","date":"14 April 2016","format":false,"excerpt":"The makers of the Raspberry Pi-based FUZE computer\u00a0have just launched a new Kickstarter campaign to fund the FUZEBOX. The FUZEBOX is a peripheral designed to plug into any device via USB, whether this be a PC, Mac, or Linux box, including the Raspberry Pi. So... what do you get in\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/04\/fuzeboxprototype.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/04\/fuzeboxprototype.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/04\/fuzeboxprototype.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":13095,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=13095","url_meta":{"origin":14129,"position":5},"title":"PiPiano follow-up HAT for the Raspberry Pi launched","author":"Michael Horne","date":"7 August 2015","format":false,"excerpt":"Pimoroni have announced the launch of their latest product, a new HAT which follows on from the excellent work of Zach Igielman and his PiPiano board. The board comes fully-assembled and uses 13 capacitive touch pads instead of physical buttons. 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