{"id":12787,"date":"2015-06-18T17:09:05","date_gmt":"2015-06-18T16:09:05","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=12787"},"modified":"2015-06-18T17:09:05","modified_gmt":"2015-06-18T16:09:05","slug":"raspberry-pi-dog-monitor-with-lasers","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=12787","title":{"rendered":"Raspberry Pi dog monitor &#8211; with lasers!"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/www.element14.com\/community\/servlet\/JiveServlet\/downloadImage\/38-20252-223816\/401-226\/0528151441d.jpg?resize=401%2C226\" alt=\"\" width=\"401\" height=\"226\" \/><\/p>\n<p>Dave Young wanted to stop his dog from jumping up and taking food off the kitchen work surfaces (I can sympathise!) when he wasn&#8217;t\u00a0in the room. So, he hooked up a laser detector circuit to a Raspberry Pi and programmed the Pi to play a recording of his voice to tell the dog off when the laser beam is broken. The recordings are randomised so that the dog doesn&#8217;t keep hearing the same thing and a photo is taken using a camera module. <a href=\"http:\/\/www.element14.com\/community\/community\/raspberry-pi\/raspberrypi_projects\/blog\/2015\/06\/02\/a-raspberry-pi-laser-tripwire-dog-watcher?CMP=SOM-TW-BLOG-DYOUNG-RASPBERRYPI-DOGMONITOR\" target=\"_blank\">Read more here, including full instructions<\/a>. You can see a video of Dave explaining his project and an example of the dog misbehaving below:<\/p>\n<p><iframe loading=\"lazy\" title=\"Raspberry Pi Laser Dog Watcher\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/AbFD8mPzF84?start=170&#038;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>Dave Young wanted to stop his dog from jumping up and taking food off the kitchen work surfaces (I can sympathise!) when he wasn&#8217;t\u00a0in the room. So, he hooked up a laser detector circuit to a Raspberry Pi and programmed&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=12787\">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":[8,50,70,39,51],"tags":[],"class_list":["post-12787","post","type-post","status-publish","format-standard","hentry","category-camera-module","category-making","category-nature","category-programming","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi dog monitor - with lasers! - 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=12787\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Raspberry Pi dog monitor - with lasers! - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Dave Young wanted to stop his dog from jumping up and taking food off the kitchen work surfaces (I can sympathise!) when he wasn&#8217;t\u00a0in the room. So, he hooked up a laser detector circuit to a Raspberry Pi and programmed&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=12787\" \/>\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=\"2015-06-18T16:09:05+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.element14.com\/community\/servlet\/JiveServlet\/downloadImage\/38-20252-223816\/401-226\/0528151441d.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=12787#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12787\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Raspberry Pi dog monitor &#8211; with lasers!\",\"datePublished\":\"2015-06-18T16:09:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12787\"},\"wordCount\":127,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12787#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.element14.com\/community\/servlet\/JiveServlet\/downloadImage\/38-20252-223816\/401-226\/0528151441d.jpg\",\"articleSection\":[\"Camera module\",\"Making\",\"Nature\",\"Programming\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=12787#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12787\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12787\",\"name\":\"Raspberry Pi dog monitor - with lasers! 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He's then kindly asked his pooch to wear it so that he can get a dogs-eye view of the world via the live streaming camera\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\/cdn.instructables.com\/FA6\/ZTUW\/I2VLGLSJ\/FA6ZTUWI2VLGLSJ.MEDIUM.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cdn.instructables.com\/FA6\/ZTUW\/I2VLGLSJ\/FA6ZTUWI2VLGLSJ.MEDIUM.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/cdn.instructables.com\/FA6\/ZTUW\/I2VLGLSJ\/FA6ZTUWI2VLGLSJ.MEDIUM.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":12756,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=12756","url_meta":{"origin":12787,"position":1},"title":"Raspberry Pi powered ID photos with this booth","author":"Michael Horne","date":"14 June 2015","format":false,"excerpt":"Roo Williams was tasked with improving on a company's method of taking ID photographs. 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In fact, recently he\u00a0took pictures of the moon with a Raspberry Pi - you can see the results here. Now, he has moved on to taking photographs of 360 degree panoramas. To do this, he's used 8 Raspberry Pi Zeros (all with Pi cameras) hooked up\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":"http:\/\/i1.wp.com\/raspberryjamberlin.de\/wp-content\/uploads\/2016\/06\/unnamed-copy.jpg?w=576&resize=350%2C200","width":350,"height":200,"srcset":"http:\/\/i1.wp.com\/raspberryjamberlin.de\/wp-content\/uploads\/2016\/06\/unnamed-copy.jpg?w=576&resize=350%2C200 1x, http:\/\/i1.wp.com\/raspberryjamberlin.de\/wp-content\/uploads\/2016\/06\/unnamed-copy.jpg?w=576&resize=525%2C300 1.5x"},"classes":[]},{"id":11311,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=11311","url_meta":{"origin":12787,"position":3},"title":"Stereo depth perception with the Raspberry Pi Compute Module","author":"Michael Horne","date":"28 October 2014","format":false,"excerpt":"The Raspberry Pi Foundation has posted a lovely explanation of a project carried out by Argon Design. They were given a Compute Module and development board and hooked up two camera modules to it. They then wrote an algorithm to detect depth using the stereo vision two cameras gave them.\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.raspberrypi.org\/wp-content\/uploads\/2014\/10\/15012987398a-500x666.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10955,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=10955","url_meta":{"origin":12787,"position":4},"title":"Interview with Raspberry Pi PiCamera library author","author":"Michael Horne","date":"8 September 2014","format":false,"excerpt":"Les Pounder went to the Raspberry Jamboree in Manchester earlier this year and interviewed Dave Jones. Dave is the author of the PiCamera Python library for the Pi. You can read the interview here.","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":"","width":0,"height":0},"classes":[]},{"id":13009,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=13009","url_meta":{"origin":12787,"position":5},"title":"Pigeon racers unite &#8211; photo-finish photographs with the Raspberry Pi","author":"Michael Horne","date":"24 July 2015","format":false,"excerpt":"Robert Threet\u00a0is a pigeon\u00a0racer from Evansville, Indiana. He has added to the high-tech equipment used for recording pigeon arrivals (RFID tags - very swish) - a Raspberry Pi with a motion detector that triggers the attached Pi\u00a0camera\u00a0to take a photograph. 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