{"id":20495,"date":"2020-07-30T14:17:48","date_gmt":"2020-07-30T13:17:48","guid":{"rendered":"https:\/\/www.recantha.co.uk\/blog\/?p=20495"},"modified":"2020-07-30T14:21:07","modified_gmt":"2020-07-30T13:21:07","slug":"weasley-clock-based-on-a-raspberry-pi-brings-a-little-harry-potter-magic-to-a-household","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=20495","title":{"rendered":"Weasley Clock based on a Raspberry Pi brings a little Harry Potter magic to a household"},"content":{"rendered":"

\"\"<\/p>\n

Here’s a lovely Harry Potter-related project from someone who prefers to be anonymous but whose handle is “RandomString”. It’s a Weasley location clock built into a grandfather clock. The whole system uses Home Assistant<\/a> which is a piece of software which reads in the location of the family’s mobile phones which have Life360<\/a> installed on them. Updates are sent from Home Assistant to a Raspberry Pi using MQTT and the clock then turns the relevant clock hand to indicate the location of the individual.<\/p>\n

\"\"<\/p>\n

The Pi is fitted with an Adafruit 16-channel Raspberry Pi Servo HAT<\/a> (that’s Adafruit. The Pi Hut<\/a> also sells them) and servos are used to move the hands. You can see all the code<\/a> and build notes for the project on GitHub<\/a> and you can read more on the maker’s blog here<\/a>. There’s even a photo gallery of the build and how it all fits together<\/a>!<\/p>\n

We’ve seen Potter projects before<\/a>, but I think this one is, perhaps, the classiest.<\/p>\n","protected":false},"excerpt":{"rendered":"

Here’s a lovely Harry Potter-related project from someone who prefers to be anonymous but whose handle is “RandomString”. It’s a Weasley location clock built into a grandfather clock. The whole system uses Home Assistant which is a piece of software…<\/p>\n

Read more →<\/a><\/p>\n","protected":false},"author":1,"featured_media":20497,"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":"Weasley Clock based on a Raspberry Pi brings a little Harry Potter magic to a household","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":[2,22,20,26,50,49],"tags":[165,595,923],"class_list":["post-20495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3d-printing","category-geeky-techiness","category-gpio-boards","category-internet-of-things","category-making","category-software","tag-harry-potter","tag-mqtt","tag-weasley"],"yoast_head":"\nWeasley Clock based on a Raspberry Pi brings a little Harry Potter magic to a household - 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=20495\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Weasley Clock based on a Raspberry Pi brings a little Harry Potter magic to a household - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Here’s a lovely Harry Potter-related project from someone who prefers to be anonymous but whose handle is “RandomString”. It’s a Weasley location clock built into a grandfather clock. The whole system uses Home Assistant which is a piece of software…Read more →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=20495\" \/>\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=\"2020-07-30T13:17:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-30T13:21:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i2.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/07\/weasley_finished.jpg?fit=1600%2C1200&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=20495#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=20495\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Weasley Clock based on a Raspberry Pi brings a little Harry Potter magic to a household\",\"datePublished\":\"2020-07-30T13:17:48+00:00\",\"dateModified\":\"2020-07-30T13:21:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=20495\"},\"wordCount\":187,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=20495#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/07\/weasley_finished.jpg?fit=1600%2C1200&ssl=1\",\"keywords\":[\"harry potter\",\"mqtt\",\"weasley\"],\"articleSection\":[\"3D printing\",\"Geeky Techiness\",\"GPIO boards\",\"Internet of things\",\"Making\",\"Software\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=20495#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=20495\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=20495\",\"name\":\"Weasley Clock based on a Raspberry Pi brings a little Harry Potter magic to a household - 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Tracking the locations of both himself and his wife, the clock's Pi subscribes to an MQTT broker service that\u2026","rel":"","context":"In "Accessories"","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\/2017\/01\/weasley_clock.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/01\/weasley_clock.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/01\/weasley_clock.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/01\/weasley_clock.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":16289,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16289","url_meta":{"origin":20495,"position":1},"title":"Harry Potter-inspired map-clock using a Raspberry Pi and Arduino","author":"Michael Horne","date":"25 January 2017","format":false,"excerpt":"Spencer Organ has been putting his making skills to use with this Harry Potter-inspired build. 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It sounds very small-scale, but as you can\u2026","rel":"","context":"In "Art"","block_context":{"text":"Art","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=56"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/peterroca.com\/bedbot\/assets\/img\/isoClosed.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16336,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16336","url_meta":{"origin":20495,"position":4},"title":"Wirelessly control an ESP8266 with MQTT messages from a Raspberry Pi","author":"Michael Horne","date":"3 February 2017","format":false,"excerpt":"Rui Santos from Portugal has written an excellent, comprehensive tutorial for those who want to get into ESP8266 boards and control them from a Raspberry Pi. He uses Python on the Raspberry Pi, with imported MQTT libraries, and C code for the Arduino-like ESP8266. The ESP8266, which is on the\u2026","rel":"","context":"In "Accessories"","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\/2017\/02\/Raspberry-Pi-Publishing-MQTT-Messages-to-ESP8266-explained.png?fit=1032%2C268&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Publishing-MQTT-Messages-to-ESP8266-explained.png?fit=1032%2C268&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Publishing-MQTT-Messages-to-ESP8266-explained.png?fit=1032%2C268&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Publishing-MQTT-Messages-to-ESP8266-explained.png?fit=1032%2C268&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":16211,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16211","url_meta":{"origin":20495,"position":5},"title":"Accio Raspberry Pi! Control a gesture-sensitive lamp with a Harry Potter wand","author":"Michael Horne","date":"11 January 2017","format":false,"excerpt":"This is the second Harry Potter project in as many days! See yesterday's Daily Prophet animated picture frame here. Sean O'Brien from Make has taken a Raspberry Pi and a Particle Internet Button\u00a0and embedded them inside a lamp base. 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