{"id":18635,"date":"2018-03-23T19:00:07","date_gmt":"2018-03-23T18:00:07","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=18635"},"modified":"2018-03-23T17:25:55","modified_gmt":"2018-03-23T16:25:55","slug":"robotic-fish-sneaks-up-on-hard-to-track-animals-with-the-aid-of-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=18635","title":{"rendered":"Robotic fish sneaks up on hard-to-track animals with the aid of a Raspberry Pi"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi.gif?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18637\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi.gif?resize=560%2C315&#038;ssl=1\" alt=\"\" width=\"560\" height=\"315\" \/><\/a><\/p>\n<p>There are many sea-borne creatures that are notoriously difficult to film and photograph. To solve this problem, researchers at MIT have developed SoFi, a rubber-encased robotic fish. Mimicking the movement and look of a real fish, SoFi can swim without disturbing the water as much as other methods which can scare away fish and other creatures. To control the robot, the researchers have encased a Raspberry Pi and a Nintendo games controller in an\u00a0oil-filled rigid outer shell (pictured below) which protects the innards from water pressure. The controller triggers ultrasonic sounds that are amplified by the Pi and are then picked up by SoFi to change direction. You can <a href=\"http:\/\/www.wired.co.uk\/article\/robot-fish-mit-sofi-swim-coral\" target=\"_blank\" rel=\"noopener\">read more over at Wired<\/a>.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18636\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?resize=560%2C539&#038;ssl=1\" alt=\"\" width=\"560\" height=\"539\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?w=810&amp;ssl=1 810w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?resize=300%2C289&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?resize=768%2C740&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?resize=560%2C539&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?resize=260%2C250&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi-swimming-with-diver-and-remote-control.jpg?resize=160%2C154&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are many sea-borne creatures that are notoriously difficult to film and photograph. To solve this problem, researchers at MIT have developed SoFi, a rubber-encased robotic fish. Mimicking the movement and look of a real fish, SoFi can swim without&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=18635\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":18637,"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":[43,45,68],"tags":[698,699,697,700],"class_list":["post-18635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research","category-robotics","category-science","tag-mit","tag-ocean","tag-sofi","tag-water"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Robotic fish sneaks up on hard-to-track animals with the aid of 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=18635\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Robotic fish sneaks up on hard-to-track animals with the aid of a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"There are many sea-borne creatures that are notoriously difficult to film and photograph. To solve this problem, researchers at MIT have developed SoFi, a rubber-encased robotic fish. Mimicking the movement and look of a real fish, SoFi can swim without&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=18635\" \/>\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=\"2018-03-23T18:00:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi.gif?fit=560%2C315&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"560\" \/>\n\t<meta property=\"og:image:height\" content=\"315\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\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=18635#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18635\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Robotic fish sneaks up on hard-to-track animals with the aid of a Raspberry Pi\",\"datePublished\":\"2018-03-23T18:00:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18635\"},\"wordCount\":129,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18635#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/sofi.gif?fit=640%2C360&ssl=1\",\"keywords\":[\"mit\",\"ocean\",\"sofi\",\"water\"],\"articleSection\":[\"Research\",\"Robotics\",\"Science\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=18635#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18635\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18635\",\"name\":\"Robotic fish sneaks up on hard-to-track animals with the aid of a Raspberry Pi - 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Called InkyLines, the Raspberry Pi is used to read in a low-resolution image and then convert that data into movements of two stepper motors. 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It takes a lot of expertise and monitoring to keep this fragile ecosystem alive and to do it he has decided to bring in a little bit of Raspberry Pi know-how. The system, called\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\/2017\/06\/reef_fish.jpg?fit=640%2C480&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/06\/reef_fish.jpg?fit=640%2C480&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/06\/reef_fish.jpg?fit=640%2C480&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":44,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=44","url_meta":{"origin":18635,"position":3},"title":"Lego-encased Raspberry Pi Minecraft server (reblog)","author":"Michael Horne","date":"27 September 2012","format":false,"excerpt":">I love these odd little ideas - gives me a wonderful Geek-all-over feeling :-)This Lego-encased Raspberry Pi Minecraft server takes geeking out to new levels | TechHive: The only thing I would say? Ventilation!","rel":"","context":"In &quot;Making&quot;","block_context":{"text":"Making","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=50"},"img":{"alt_text":"","src":"https:\/\/blogger.googleusercontent.com\/tracker\/3715640409195873782-5160645926995288619?l=raspberrypipod.blogspot.com","width":350,"height":200},"classes":[]},{"id":1281,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=1281","url_meta":{"origin":18635,"position":4},"title":"Robot Arm with the #RaspberryPi","author":"Michael Horne","date":"10 January 2013","format":false,"excerpt":"Not a particularly new idea, but still interesting nonetheless. Matt Dyson has got the Raspberry Pi and a robotic arm bring controlled by an XBox 360 controller. I believe this is the same robot arm that Maplin are selling in the UK. Robot Arm | Matt Dyson.","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":17135,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=17135","url_meta":{"origin":18635,"position":5},"title":"Build a robotic tank with the Raspberry Pi","author":"Michael Horne","date":"16 July 2017","format":false,"excerpt":"Frederick Vandenbosch is a maker with a keen eye for detail. His latest project is to build a robot tank using a DFRobot Devastator chassis\u00a0with a Thunderborg motor controller board\u00a0from PiBorg. 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