{"id":18922,"date":"2018-06-09T10:43:46","date_gmt":"2018-06-09T09:43:46","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=18922"},"modified":"2018-06-09T10:43:46","modified_gmt":"2018-06-09T09:43:46","slug":"ive-got-movement-ive-got-readings-an-aliens-inspired-motion-tracker-using-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=18922","title":{"rendered":"&#8220;I&#8217;ve got movement, I&#8217;ve got readings&#8230;&#8221; An Aliens-inspired motion tracker using a Raspberry Pi"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18923\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=560%2C315&#038;ssl=1\" alt=\"\" width=\"560\" height=\"315\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=560%2C315&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=260%2C146&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?resize=160%2C90&amp;ssl=1 160w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?w=1120&amp;ssl=1 1120w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>Richard Martin has taken a Hama slide viewer, a small screen and a Raspberry Pi, together with some power and audio circuitry, and created this brilliant Aliens-style movie prop. It allows you to sweep back and forth with a corresponding movement of the display (thanks to a compass sensor) and gives out readings of movement with the dread-inducing sound effect from the film. You can see it in action below and <a href=\"https:\/\/github.com\/martinr1000\/AliensMotionTracker\" target=\"_blank\" rel=\"noopener\">see his code on Github<\/a>. It was based on <a href=\"http:\/\/www.virtualfrontiers.co.uk\/motion%20tracker.htm\" target=\"_blank\" rel=\"noopener\">this tutorial from Virtual Frontiers<\/a>.<\/p>\n<p><iframe loading=\"lazy\" title=\"raspberry pi motion tracker - version 1\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/UzfXKLisqew?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><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Richard Martin has taken a Hama slide viewer, a small screen and a Raspberry Pi, together with some power and audio circuitry, and created this brilliant Aliens-style movie prop. It allows you to sweep back and forth with a corresponding&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=18922\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":18923,"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":[50,62,51],"tags":[763,764,762],"class_list":["post-18922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-making","category-sensors","category-tutorials","tag-aliens","tag-motion-tracker","tag-movies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>&quot;I&#039;ve got movement, I&#039;ve got readings...&quot; An Aliens-inspired motion tracker using 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=18922\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"&quot;I&#039;ve got movement, I&#039;ve got readings...&quot; An Aliens-inspired motion tracker using a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Richard Martin has taken a Hama slide viewer, a small screen and a Raspberry Pi, together with some power and audio circuitry, and created this brilliant Aliens-style movie prop. It allows you to sweep back and forth with a corresponding&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=18922\" \/>\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=\"2018-06-09T09:43:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/motion-tracker.jpg?fit=1280%2C720&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18922#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18922\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"&#8220;I&#8217;ve got movement, I&#8217;ve got readings&#8230;&#8221; 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He has sensor packs attached to his ankles\u00a0and hands which\u2026","rel":"","context":"In &quot;Arduino&quot;","block_context":{"text":"Arduino","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=55"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/bloximages.chicago2.vip.townnews.com\/host.madison.com\/content\/tncms\/assets\/v3\/editorial\/4\/77\/477e149f-dc98-55bb-ac40-b32e7fbc06b5\/5736157a0419c.image.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/bloximages.chicago2.vip.townnews.com\/host.madison.com\/content\/tncms\/assets\/v3\/editorial\/4\/77\/477e149f-dc98-55bb-ac40-b32e7fbc06b5\/5736157a0419c.image.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/bloximages.chicago2.vip.townnews.com\/host.madison.com\/content\/tncms\/assets\/v3\/editorial\/4\/77\/477e149f-dc98-55bb-ac40-b32e7fbc06b5\/5736157a0419c.image.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/bloximages.chicago2.vip.townnews.com\/host.madison.com\/content\/tncms\/assets\/v3\/editorial\/4\/77\/477e149f-dc98-55bb-ac40-b32e7fbc06b5\/5736157a0419c.image.jpg?resize=700%2C400 2x, https:\/\/i0.wp.com\/bloximages.chicago2.vip.townnews.com\/host.madison.com\/content\/tncms\/assets\/v3\/editorial\/4\/77\/477e149f-dc98-55bb-ac40-b32e7fbc06b5\/5736157a0419c.image.jpg?resize=1050%2C600 3x"},"classes":[]},{"id":14430,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14430","url_meta":{"origin":18922,"position":2},"title":"Trouble finding a Raspberry Pi Zero? 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Visit the\u2026","rel":"","context":"In &quot;Shopping&quot;","block_context":{"text":"Shopping","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=47"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/whereismypizero.com\/whereismypizero.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":20501,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=20501","url_meta":{"origin":18922,"position":3},"title":"Control a DSLR with a Raspberry Pi and motion detection via OpenCV","author":"Michael Horne","date":"3 August 2020","format":false,"excerpt":"David Pride has taken his Panasonic Lumix DSLR camera and a Raspberry Pi and created a little bit of magic. He's adapted (read: taken apart and hacked with a soldering iron!) a quick release mechanism for the DSLR and wired it up to the Pi via an NPN transistor which\u2026","rel":"","context":"In &quot;Camera module&quot;","block_context":{"text":"Camera module","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=8"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":12782,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=12782","url_meta":{"origin":18922,"position":4},"title":"Raspberry Pi motion sensor with realtime alerts","author":"Michael Horne","date":"17 June 2015","format":false,"excerpt":"Eric Grossman over at PubNub has written an interesting tutorial which uses an ultrasonic distance sensor. The sensor detects motion by taking constant readings and then uses the PubNub service to 'subscribe' to any alerts generated. Read more here.","rel":"","context":"In &quot;Programming&quot;","block_context":{"text":"Programming","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=39"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/Rangefinder.Full-View-1024x712.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/Rangefinder.Full-View-1024x712.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/Rangefinder.Full-View-1024x712.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/Rangefinder.Full-View-1024x712.jpg?resize=700%2C400 2x"},"classes":[]},{"id":2405,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=2405","url_meta":{"origin":18922,"position":5},"title":"Raspberry Pi Website Hit Tracker &#8211; david singleton","author":"Michael Horne","date":"22 February 2013","format":false,"excerpt":"\u00a0 David Singleton has created a\u00a0Raspberry Pi Website Hit Tracker\u00a0so that whenever someone visits his page a neon lamp lights up! He's documented the process and released all the code necessary for you to duplicate his project. Nice one, David!","rel":"","context":"In &quot;Geeky Techiness&quot;","block_context":{"text":"Geeky Techiness","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=22"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18922"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18922\/revisions"}],"predecessor-version":[{"id":18924,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18922\/revisions\/18924"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/media\/18923"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}