{"id":13187,"date":"2015-08-21T13:54:15","date_gmt":"2015-08-21T12:54:15","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=13187"},"modified":"2015-08-24T09:33:36","modified_gmt":"2015-08-24T08:33:36","slug":"pianohat-for-the-raspberry-pi-a-review","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=13187","title":{"rendered":"PianoHAT for the Raspberry Pi &#8211; a review"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/products\/101705_1024x1024.jpg?resize=560%2C560\" alt=\"\" width=\"560\" height=\"560\" \/><\/p>\n<p><i>Occasionally<\/i><em>,\u00a0I get sent things in the post to review. Sometimes I buy a product just because I think it looks cool. This is one of the latter type.<\/em><\/p>\n<p><strong>Update: I have added <a href=\"https:\/\/www.recantha.co.uk\/blog\/?p=13225\" target=\"_blank\">a video demo here<\/a>.<\/strong><\/p>\n<p><strong>Introduction<\/strong><\/p>\n<p>The original board, known as the &#8220;PiPiano&#8221;, was developed by <a href=\"https:\/\/twitter.com\/ZacharyIgielman\" target=\"_blank\">Zachary Igielman<\/a>, a young man who\u00a0quietly\u00a0went about the business of raising funds for the board by\u00a0embarking on an <a href=\"https:\/\/www.indiegogo.com\/projects\/pipiano-raspberry-pi-add-on-board\" target=\"_blank\">IndieGoGo campaign<\/a>. The campaign was a success and soon the board (which came as a kit to solder together yourself) began to get into the hands of the backers. This is what it looked like:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/camo.githubusercontent.com\/4473fbc2b7250646dae2b980853d9d315366e9f1\/68747470733a2f2f6c68352e676f6f676c6575736572636f6e74656e742e636f6d2f2d76324e79414f364b6f36732f5643434a677a48682d68492f414141414141414151486b2f7076667066796d6a624a592f77313135332d683836352d6e6f2f32303134303831335f3231333530332e6a7067\" alt=\"\" width=\"1153\" height=\"865\" \/><\/p>\n<p>A few months ago, Zach was approached by Pimoroni about the prospect of turning it into a HAT and,\u00a0being very sensible, and with exams approaching, Zach agreed to hand the project over to them. Enter Phil &#8220;Gadgetoid&#8221; Howard and the others at Pimoroni who took the kit and turned it into a rather attractive HAT:<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/products\/101705_1024x1024.jpg?resize=560%2C560\" alt=\"\" width=\"560\" height=\"560\" \/><\/p>\n<p>Now known as the &#8220;Piano HAT&#8221;, the product was launched very recently and I quickly ordered one from <a href=\"http:\/\/thepihut.com\/collections\/raspberry-pi-hats\/products\/raspberry-pi-piano-hat\" target=\"_blank\">The Pi Hut<\/a>, having seen a few sneak peaks in the preceding weeks.<\/p>\n<p><strong>The looks<\/strong><\/p>\n<p>I think you&#8217;ll agree that this is one of the most attractive\u00a0boards for the Raspberry Pi ever produced. It is made in stylish black, white and gold with intricate typefaces and an incredible amount of functionality built in.<\/p>\n<p><strong>The functionality<\/strong><\/p>\n<p>The Piano HAT comes with the following features:<\/p>\n<ul>\n<li>13 touch-capacitive piano keys.<\/li>\n<li>3 additional keys for controlling which instrument and which octave you are playing.<\/li>\n<li>16 <strong>very<\/strong> bright LEDs.<\/li>\n<\/ul>\n<p>All the keys, buttons and LEDs can be programmed according to your needs. Because of the sheer number of controls and indicator lights, the possibilities\u00a0of using it for a variety of different projects are huge. It could, for example, be used as a control pad for automation, or even to program a robot (providing you can find a way to break out the GPIO pins, which, like all HATs, get covered when you push the board on).<\/p>\n<p><strong>The software<\/strong><\/p>\n<p>The Piano HAT comes with a library of software that you <a href=\"https:\/\/github.com\/pimoroni\/piano-hat\" target=\"_blank\">download from the Pimoroni website via GitHub<\/a>. The install takes\u00a0<em>ages<\/em> and I can&#8217;t help feel that there&#8217;s a little bit of over-egging going on. But, if all of it is necessary for it to work, I can&#8217;t really complain about the loss of about 30 minutes of time waiting for the install script to complete. A word to the wise: <em>Do not<\/em> try and do this over wi-fi &#8211; it takes much longer that way!<\/p>\n<p>The library itself is typical Pimoroni: simple, easy to use and comprehensive. You can attach events to key press triggers and you can individually address the LEDs.<\/p>\n<p>Along with the library, you also get a few example scripts. One of them simply loops through the LEDs. Another just listens for button presses. The more interesting examples are when the Piano HAT actually &#8216;plays&#8217; music for you. There is a simple piano program which you can play whatever you like on. It even uses the instrument button so you can play the drums! There is also another script which teaches you how to play a well-known nursery rhyme by lighting up the LED of the key it wants you to play. All these code examples are excellent and can really give you ideas about what you can do with the HAT.\u00a0There is also a script which interfaces with MIDI systems, but I lack the equipment to try that out.<\/p>\n<p>The included instrument samples are lovely &#8211; very high quality and they sounded excellent through my earphones. If enough people ask, I&#8217;ll publish a video so you can actually hear it!<\/p>\n<p><strong>Availability<\/strong><\/p>\n<p>I got mine from <a href=\"http:\/\/thepihut.com\/collections\/raspberry-pi-hats\/products\/raspberry-pi-piano-hat\" target=\"_blank\">The Pi Hut<\/a>\u00a0for \u00a315 plus postage. You can obviously\u00a0<a href=\"http:\/\/shop.pimoroni.com\/products\/piano-hat\" target=\"_blank\">get it from Pimoroni, and it costs the same<\/a>.<\/p>\n<p><strong>Overall<\/strong><\/p>\n<p>The Piano HAT is, as far as electronics goes, a work of art. It looks slick, feels slick and, with the software library included, acts slick. The buttons are\u00a0<em>just<\/em> about big enough to play with my clumsy adult-sized hands, touch-sensitivity is about right\u00a0and the LEDs are bright (possibly too bright&#8230; I wonder if you can reduce the brightness&#8230;). The touch-capacitive nature of the board is a joy and is a big improvement over\u00a0Zach&#8217;s original push-buttons. I do, however, like the way that they&#8217;ve kept the\u00a0<em>spirit<\/em> of Zach&#8217;s original &#8211; for example, the example scripts share a lot of similarity to Zach&#8217;s original included software &#8211; and have honoured his work on both the front and back of the board.<\/p>\n<p>This is another winner for Pimoroni. I recommend getting one and having a play about with it &#8211; it&#8217;s lovely to use and there&#8217;s a lot of possibilities for what it can be used for other than music. I&#8217;d love to see someone integrate it with Sonic Pi &#8211; they would be perfect for one another.<\/p>\n<p><strong>Rating<\/strong><\/p>\n<p>I can&#8217;t fault the board itself or the software. The price is right, the design is excellent. What more can I say? <strong>10\/10<\/strong><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/products\/101705_3_1024x1024.jpg?resize=560%2C560\" alt=\"\" width=\"560\" height=\"560\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Occasionally,\u00a0I get sent things in the post to review. Sometimes I buy a product just because I think it looks cool. This is one of the latter type. Update: I have added a video demo here. Introduction The original board,&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=13187\">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_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},"jetpack_post_was_ever_published":false},"categories":[20,31,44],"tags":[],"class_list":["post-13187","post","type-post","status-publish","format-standard","hentry","category-gpio-boards","category-music","category-reviews"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PianoHAT for the Raspberry Pi - a review - 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=13187\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PianoHAT for the Raspberry Pi - a review - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Occasionally,\u00a0I get sent things in the post to review. 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Introduction The original board,&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=13187\" \/>\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=\"2015-08-21T12:54:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-08-24T08:33:36+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/products\/101705_1024x1024.jpg?v=1438862618\" \/>\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=\"4 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=13187#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=13187\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/#\\\/schema\\\/person\\\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"PianoHAT for the Raspberry Pi &#8211; 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This time, it is for an IoT add-on board for the Raspberry Pi that adds 802.11n wifi and Bluetooth 4.1 (Dual Mode). 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This is just a quick reminder about Pi Borg's campaign to raise funds to develop ZeroBorg, which is a motor controller board\u00a0suitable for use with the Raspberry Pi Zero. 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Now, he's seeking to raise $500 for his board, the Anavi Infrared pHAT. The board has the following features: 2x 5mm IR transmitters (IR LEDs) IR receiver (IR photo sensor) Slots for up to 3 plug and\u2026","rel":"","context":"In &quot;Crowdfunding&quot;","block_context":{"text":"Crowdfunding","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=13"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/anavi_infrared_phat.jpg?fit=666%2C472&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/anavi_infrared_phat.jpg?fit=666%2C472&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/anavi_infrared_phat.jpg?fit=666%2C472&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":16603,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16603","url_meta":{"origin":13187,"position":3},"title":"New audio and midi interface board for the Raspberry Pi &#8211; pisound","author":"Michael Horne","date":"14 March 2017","format":false,"excerpt":"A group from\u00a0Lithuania has launched an IndieGoGo campaign for a new sound board for the Raspberry Pi. Called\u00a0pisound, it has the following features: Hi-fi stereo input and output Classic midi input and output User-customisable button Bundled software tools Two dials for volume and gain Here's the blurb from the campaign:\u2026","rel":"","context":"In &quot;Audio&quot;","block_context":{"text":"Audio","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/pisound-front.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/pisound-front.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/03\/pisound-front.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":14262,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14262","url_meta":{"origin":13187,"position":4},"title":"PiBorg launches new motor controller for the Raspberry Pi Zero","author":"Michael Horne","date":"3 March 2016","format":false,"excerpt":"PiBorg, the small company based in St Ives, Cambridgeshire who created the Doodleborg and Diddyborg robots (as well as lots of other boards, bots and, of course the excellent turntable at this year's Pi Wars), have this morning announced the launch of their first Kickstarter campaign. 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To launch their company, they are running an IndieGoGo campaign to raise funds to produce the MakeTronix Alarm. It is a hobbyists' alarm system featuring a GPIO plugin board featuring 11 buttons, a red LED and\u2026","rel":"","context":"In &quot;Crowdfunding&quot;","block_context":{"text":"Crowdfunding","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=13"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/c1.iggcdn.com\/indiegogo-media-prod-cld\/image\/upload\/c_limit%2Cf_auto%2Cw_620\/v1479036539\/kx3dq0xigubjborriekg.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/c1.iggcdn.com\/indiegogo-media-prod-cld\/image\/upload\/c_limit%2Cf_auto%2Cw_620\/v1479036539\/kx3dq0xigubjborriekg.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/c1.iggcdn.com\/indiegogo-media-prod-cld\/image\/upload\/c_limit%2Cf_auto%2Cw_620\/v1479036539\/kx3dq0xigubjborriekg.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13187","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=13187"}],"version-history":[{"count":4,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13187\/revisions"}],"predecessor-version":[{"id":13226,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13187\/revisions\/13226"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}