{"id":12495,"date":"2015-05-01T11:19:55","date_gmt":"2015-05-01T10:19:55","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=12495"},"modified":"2015-05-01T09:25:06","modified_gmt":"2015-05-01T08:25:06","slug":"raspberry-pi-networking-over-serial","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=12495","title":{"rendered":"Raspberry Pi networking over serial for a high altitude balloon launch"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/3.bp.blogspot.com\/-KVlphB5CPwA\/VT9zFNCpVBI\/AAAAAAAAN3o\/jwydGLsfrQo\/s1600\/rpi_network_bb_resized.png?resize=560%2C574\" alt=\"\" width=\"560\" height=\"574\" \/><\/p>\n<p><a href=\"http:\/\/www.pyptug.org\/p\/team-near-space-circus.html\">Team Near Space Circus<\/a>\u00a0sent 7 Raspberry Pis up into near space using a high altitude balloon. <a href=\"https:\/\/www.recantha.co.uk\/blog\/?p=12417\">I previously covered the rough layout of their spherical shaped payload here<\/a>\u00a0and now the team has\u00a0published another blog post about the project. This time, they cover the networking part of the payload. This was achieved by hooking up the TX\/RX pins of each Pi to the others in a formation known as &#8216;token ring&#8217;. This is a very old way of doing networking, of course, but\u00a0it is still a valid concept. <a href=\"http:\/\/raspberry-python.blogspot.co.uk\/2015\/04\/the-computer-network-in-space-part-2.html\" target=\"_blank\">Read Francois Dion&#8217;s blog post for more information<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Team Near Space Circus\u00a0sent 7 Raspberry Pis up into near space using a high altitude balloon. I previously covered the rough layout of their spherical shaped payload here\u00a0and now the team has\u00a0published another blog post about the project. This&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=12495\">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":[24,33],"tags":[],"class_list":["post-12495","post","type-post","status-publish","format-standard","hentry","category-high-altitude-ballooning","category-networking"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi networking over serial for a high altitude balloon launch - 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=12495\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Raspberry Pi networking over serial for a high altitude balloon launch - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"&nbsp; Team Near Space Circus\u00a0sent 7 Raspberry Pis up into near space using a high altitude balloon. I previously covered the rough layout of their spherical shaped payload here\u00a0and now the team has\u00a0published another blog post about the project. This&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=12495\" \/>\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=\"2015-05-01T10:19:55+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/3.bp.blogspot.com\/-KVlphB5CPwA\/VT9zFNCpVBI\/AAAAAAAAN3o\/jwydGLsfrQo\/s1600\/rpi_network_bb_resized.png\" \/>\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=12495#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12495\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Raspberry Pi networking over serial for a high altitude balloon launch\",\"datePublished\":\"2015-05-01T10:19:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12495\"},\"wordCount\":112,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12495#primaryimage\"},\"thumbnailUrl\":\"http:\/\/3.bp.blogspot.com\/-KVlphB5CPwA\/VT9zFNCpVBI\/AAAAAAAAN3o\/jwydGLsfrQo\/s1600\/rpi_network_bb_resized.png\",\"articleSection\":[\"High altitude ballooning\",\"Networking\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=12495#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12495\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12495\",\"name\":\"Raspberry Pi networking over serial for a high altitude balloon launch - 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The payload eventually reached a height of over 80,000 feet. Despite losing the payload initially, it has since been recovered. It was project managed and developed by\u2026","rel":"","context":"In &quot;High altitude ballooning&quot;","block_context":{"text":"High altitude ballooning","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=24"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.westbriton.co.uk\/images\/localworld\/ugc-images\/276391\/Article\/images\/21293868\/6248825-large.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.westbriton.co.uk\/images\/localworld\/ugc-images\/276391\/Article\/images\/21293868\/6248825-large.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.westbriton.co.uk\/images\/localworld\/ugc-images\/276391\/Article\/images\/21293868\/6248825-large.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":19004,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=19004","url_meta":{"origin":12495,"position":3},"title":"Raspberry Pi launches new software to support High Altitude Ballooning","author":"Michael Horne","date":"4 July 2018","format":false,"excerpt":"Raspberry Pi has just announced\u00a0two software packages to help groups and individuals get into High Altitude Ballooning. Created in conjunction with HAB enthusiast Dave Akerman, one package is installed on the Pi going up into near-space and the other is used to track it when it comes back to Earth.\u2026","rel":"","context":"In &quot;High altitude ballooning&quot;","block_context":{"text":"High altitude ballooning","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=24"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/07\/space_pi_babbage.jpg?fit=1177%2C576&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/07\/space_pi_babbage.jpg?fit=1177%2C576&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/07\/space_pi_babbage.jpg?fit=1177%2C576&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/07\/space_pi_babbage.jpg?fit=1177%2C576&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/07\/space_pi_babbage.jpg?fit=1177%2C576&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5405,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=5405","url_meta":{"origin":12495,"position":4},"title":"Dave Akerman prepares the High-Altitude Babbage Bear \/ #RaspberryPi flight!","author":"Michael Horne","date":"2 August 2013","format":false,"excerpt":"Updated: Added link at the bottom to tracking info Dave Akerman is planning a Sunday, 11th August midday launch for his latest high-altitude balloon flight. This time, he will be releasing a payload with a separate parachute at 39,000 metres. The payload is one 'Bionic Babbage' bear, pictured below. He\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":"\/blog\/wp-content\/uploads\/2013\/08\/P1080179-682x10241.jpg","width":350,"height":200,"srcset":"\/blog\/wp-content\/uploads\/2013\/08\/P1080179-682x10241.jpg 1x, \/blog\/wp-content\/uploads\/2013\/08\/P1080179-682x10241.jpg 1.5x"},"classes":[]},{"id":9730,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=9730","url_meta":{"origin":12495,"position":5},"title":"School #RaspberryPi high altitude ballooning project needs help","author":"Michael Horne","date":"20 May 2014","format":false,"excerpt":"James Robinson from\u00a0Computing at School, who recently spoke at CamJam's Focus on Education, is currently seeking help for a schools-based project he's trying to get off the ground - in a very literal sense. He is hoping to launch a high-altitude balloon with a Raspberry Pi-based payload from Soham Village\u2026","rel":"","context":"In &quot;Education&quot;","block_context":{"text":"Education","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=17"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/gallery.mailchimp.com\/e229d3d9a48d5e9a6162b603b\/images\/195c2563-26c0-485e-8ca6-d416de57d50f.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/gallery.mailchimp.com\/e229d3d9a48d5e9a6162b603b\/images\/195c2563-26c0-485e-8ca6-d416de57d50f.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/gallery.mailchimp.com\/e229d3d9a48d5e9a6162b603b\/images\/195c2563-26c0-485e-8ca6-d416de57d50f.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/gallery.mailchimp.com\/e229d3d9a48d5e9a6162b603b\/images\/195c2563-26c0-485e-8ca6-d416de57d50f.jpg?resize=700%2C400 2x, https:\/\/i0.wp.com\/gallery.mailchimp.com\/e229d3d9a48d5e9a6162b603b\/images\/195c2563-26c0-485e-8ca6-d416de57d50f.jpg?resize=1050%2C600 3x, https:\/\/i0.wp.com\/gallery.mailchimp.com\/e229d3d9a48d5e9a6162b603b\/images\/195c2563-26c0-485e-8ca6-d416de57d50f.jpg?resize=1400%2C800 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12495","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=12495"}],"version-history":[{"count":2,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12495\/revisions"}],"predecessor-version":[{"id":12497,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12495\/revisions\/12497"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}