{"id":21042,"date":"2021-05-06T14:38:01","date_gmt":"2021-05-06T13:38:01","guid":{"rendered":"https:\/\/www.recantha.co.uk\/blog\/?p=21042"},"modified":"2021-05-06T14:40:01","modified_gmt":"2021-05-06T13:40:01","slug":"sending-messages-with-the-raspberry-pi-powered-yayagram","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=21042","title":{"rendered":"Sending and receiving messages from the grandkids with the Raspberry Pi-powered Yayagram"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-21043\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?resize=560%2C319&#038;ssl=1\" alt=\"\" width=\"560\" height=\"319\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?w=833&amp;ssl=1 833w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?resize=300%2C171&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?resize=768%2C437&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?resize=560%2C319&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?resize=260%2C148&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?resize=160%2C91&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/p>\n<p>Spain-based <a href=\"https:\/\/twitter.com\/mrcatacroquer\/status\/1386318806411325440\" target=\"_blank\" rel=\"noopener\">Manu, who you can find on Twitter<\/a>, needed to help his 96-year old grandmother communicate with her grandchildren. She is hard-of-hearing and not very tech-savvy, so having her use a mobile phone is a bit of a non-starter. To solve the problem, Manu built the <strong>Yayagram<\/strong> (Yaya means &#8216;Granny&#8217; in Castilian) which uses a Raspberry Pi to communicate with <a href=\"https:\/\/telegram.org\/\" target=\"_blank\" rel=\"noopener\">the Telegram service<\/a>.<\/p>\n<p>The contraption is a box (as pictured) which connects Manu&#8217;s granny, via a jack cable, to her grandchildren and allows her to send voice messages to them by pressing and holding the red button. His granny, therefore, need only connect the jack cable to the appropriate grandchild&#8217;s port (or to the &#8216;send all&#8217; port), record a message using the inbuilt microphone, release the button and away the message goes.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-21044\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=560%2C392&#038;ssl=1\" alt=\"\" width=\"560\" height=\"392\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?w=1300&amp;ssl=1 1300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=300%2C210&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=1024%2C716&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=768%2C537&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=560%2C392&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=260%2C182&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?resize=160%2C112&amp;ssl=1 160w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yayagram_closeup.jpeg?w=1120&amp;ssl=1 1120w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/p>\n<p>The grandchildren receive the message and can also send a reply (or an initial message) which gets printed out by the Yayagram using a thermal printer. Inside the box is a Raspberry Pi 4, connected up to all the peripherals and indicator LEDs over USB and GPIO.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-21045\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram_internal.jpeg?resize=450%2C600&#038;ssl=1\" alt=\"\" width=\"450\" height=\"600\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram_internal.jpeg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram_internal.jpeg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram_internal.jpeg?resize=260%2C347&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram_internal.jpeg?resize=160%2C213&amp;ssl=1 160w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>Manu has found that the Yayagram has made his grandmother more independent, and, of course, more communicative with her family, especially in the times of COVID-19 restrictions.<\/p>\n<p>You can <a href=\"https:\/\/twitter.com\/mrcatacroquer\/status\/1386318806411325440\" target=\"_blank\" rel=\"noopener\">read slightly more about the project, and see more photos, over on this Twitter thread<\/a>.<\/p>\n<div id=\"attachment_21048\" style=\"width: 2058px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-21048\" class=\"size-full wp-image-21048\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=560%2C420&#038;ssl=1\" alt=\"\" width=\"560\" height=\"420\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?w=2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=560%2C420&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=260%2C195&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?resize=160%2C120&amp;ssl=1 160w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?w=1120&amp;ssl=1 1120w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/Ez0xtTiXIAAUxBh.jpg?w=1680&amp;ssl=1 1680w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><p id=\"caption-attachment-21048\" class=\"wp-caption-text\">Manu, his grandmother and the Yayagram<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Spain-based Manu, who you can find on Twitter, needed to help his 96-year old grandmother communicate with her grandchildren. She is hard-of-hearing and not very tech-savvy, so having her use a mobile phone is a bit of a non-starter. To&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=21042\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":21043,"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":"Sending messages with the Raspberry Pi-powered Yayagrama","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":[80,22,50],"tags":[1027],"class_list":["post-21042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blinkies","category-geeky-techiness","category-making","tag-telegram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sending and receiving messages from the grandkids with the Raspberry Pi-powered Yayagram - 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=21042\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sending and receiving messages from the grandkids with the Raspberry Pi-powered Yayagram - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Spain-based Manu, who you can find on Twitter, needed to help his 96-year old grandmother communicate with her grandchildren. She is hard-of-hearing and not very tech-savvy, so having her use a mobile phone is a bit of a non-starter. To&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=21042\" \/>\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=\"2021-05-06T13:38:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-05-06T13:40:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i2.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?fit=833%2C474&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"833\" \/>\n\t<meta property=\"og:image:height\" content=\"474\" \/>\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=\"2 minutes\" \/>\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=21042#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=21042\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Sending and receiving messages from the grandkids with the Raspberry Pi-powered Yayagram\",\"datePublished\":\"2021-05-06T13:38:01+00:00\",\"dateModified\":\"2021-05-06T13:40:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=21042\"},\"wordCount\":249,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=21042#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/05\/yaygram.jpeg?fit=833%2C474&ssl=1\",\"keywords\":[\"telegram\"],\"articleSection\":[\"Blinkies\",\"Geeky Techiness\",\"Making\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=21042#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=21042\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=21042\",\"name\":\"Sending and receiving messages from the grandkids with the Raspberry Pi-powered Yayagram - 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