{"id":15021,"date":"2016-07-05T15:42:49","date_gmt":"2016-07-05T14:42:49","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=15021"},"modified":"2016-07-05T15:42:49","modified_gmt":"2016-07-05T14:42:49","slug":"build-a-spectrum-analyzer-with-two-pimoroni-phats-and-a-raspberry-pi-zero","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=15021","title":{"rendered":"Build a spectrum analyzer with two Pimoroni pHATs and a Raspberry Pi Zero"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/learn.pimoroni.com\/static\/repos\/learn\/sandyj\/spectrum-analyser.gif?resize=560%2C315\" width=\"560\" height=\"315\" \/><\/p>\n<p><a href=\"https:\/\/twitter.com\/sandyjmacdonald\" target=\"_blank\">Sandy Macdonald<\/a>, one of the <a href=\"http:\/\/www.pimoroni.com\" target=\"_blank\">Pimoroni<\/a>\u00a0crew, has written an excellent tutorial in which he takes a pHAT DAC audio board, a Scroll pHAT and a Raspberry Pi Zero, solders them together and creates a visual spectrum analyzer. Python is used to analyze the audio being played via the DAC and then pump the readings out to the Scroll pHAT. <a href=\"http:\/\/learn.pimoroni.com\/tutorial\/sandyj\/scroll-phat-spectrum-analyser\" target=\"_blank\">Read how he did it here<\/a>.<\/p>\n<p>You can get hold of the pHAT DAC from <a href=\"https:\/\/shop.pimoroni.com\/products\/phat-dac\" target=\"_blank\">Pimoroni<\/a> or <a href=\"https:\/\/thepihut.com\/products\/dac-phat\" target=\"_blank\">The Pi Hut<\/a>, and of course you can also get the Scroll pHAT from the same places: <a href=\"https:\/\/shop.pimoroni.com\/products\/scroll-phat\" target=\"_blank\">Pimoroni<\/a>, <a href=\"https:\/\/thepihut.com\/products\/scroll-phat\" target=\"_blank\">The Pi Hut<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sandy Macdonald, one of the Pimoroni\u00a0crew, has written an excellent tutorial in which he takes a pHAT DAC audio board, a Scroll pHAT and a Raspberry Pi Zero, solders them together and creates a visual spectrum analyzer. Python is used&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=15021\">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":[4,22,20,31,39,47,49,51],"tags":[],"class_list":["post-15021","post","type-post","status-publish","format-standard","hentry","category-audio","category-geeky-techiness","category-gpio-boards","category-music","category-programming","category-rpi-shopping","category-software","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Build a spectrum analyzer with two Pimoroni pHATs and a Raspberry Pi Zero - 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=15021\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Build a spectrum analyzer with two Pimoroni pHATs and a Raspberry Pi Zero - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Sandy Macdonald, one of the Pimoroni\u00a0crew, has written an excellent tutorial in which he takes a pHAT DAC audio board, a Scroll pHAT and a Raspberry Pi Zero, solders them together and creates a visual spectrum analyzer. Python is used&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=15021\" \/>\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=\"2016-07-05T14:42:49+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/learn.pimoroni.com\/static\/repos\/learn\/sandyj\/spectrum-analyser.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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=15021#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=15021\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Build a spectrum analyzer with two Pimoroni pHATs and a Raspberry Pi Zero\",\"datePublished\":\"2016-07-05T14:42:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=15021\"},\"wordCount\":111,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=15021#primaryimage\"},\"thumbnailUrl\":\"http:\/\/learn.pimoroni.com\/static\/repos\/learn\/sandyj\/spectrum-analyser.gif\",\"articleSection\":[\"Audio\",\"Geeky Techiness\",\"GPIO boards\",\"Music\",\"Programming\",\"Shopping\",\"Software\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=15021#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=15021\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=15021\",\"name\":\"Build a spectrum analyzer with two Pimoroni pHATs and a Raspberry Pi Zero - 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The new kit from the pirates includes the new Scroll pHAT HD (which has more LEDs than the regular Scroll pHAT) and Carl thought it would be fun\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\/03\/scroll_phat_win_lose.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/scroll_phat_win_lose.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/scroll_phat_win_lose.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/scroll_phat_win_lose.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/scroll_phat_win_lose.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":18841,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=18841","url_meta":{"origin":15021,"position":3},"title":"Self-contained lighting effects using a Raspberry Pi Zero and Go","author":"Michael Horne","date":"24 May 2018","format":false,"excerpt":"A programming language called 'Go'\u00a0is pretty big news nowadays. Personally, it scares the heck out of me. Sooooo complicated, but what do I know? Some people like it. Tom Mitchell has taken Go and written a great script to communicate with the Pimoroni Scroll pHAT HD\u00a0mounted on a Raspberry Pi\u2026","rel":"","context":"In &quot;Blinkies&quot;","block_context":{"text":"Blinkies","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=80"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/scene-random-small.gif?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":17473,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=17473","url_meta":{"origin":15021,"position":4},"title":"Track your boat&#8217;s sailing route data using a Raspberry Pi","author":"Michael Horne","date":"9 August 2017","format":false,"excerpt":"Bill Ballard has taken a Raspberry Pi, a Pimoroni Scroll pHAT and an Adafruit Ultimate GPS board and created a trip recorder for when he's out on his boat. 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He now exercises in his back garden but wanted some way of having a visible and audible cue to his programme of exercises. 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