{"id":7961,"date":"2013-10-29T00:08:07","date_gmt":"2013-10-29T04:08:07","guid":{"rendered":"http:\/\/embedded-lab.com\/blog\/?p=7961"},"modified":"2013-10-29T00:08:56","modified_gmt":"2013-10-29T04:08:56","slug":"nickelphone-coin-based-midi-keyboard","status":"publish","type":"post","link":"https:\/\/embedded-lab.com\/blog\/nickelphone-coin-based-midi-keyboard\/","title":{"rendered":"Nickelphone: Coin-based Midi Keyboard"},"content":{"rendered":"<p>Tyler Bletsch&#8217;s\u00a0<a href=\"http:\/\/discspace.org\/nickelphone\/\" target=\"_blank\"><strong>Nickelphone<\/strong><\/a> is a coin-based music keyboard that has 15 nickels and 10 pennies arranged on a traditional 25-key piano-style layout and\u00a0act as touch sensors.\u00a0It can emit simple square wave tones through an onboard piezo buzzer, but its primary use is as a MIDI keyboard, so it can drive a full synthesizer (like FL Studio on PC). Tyler used an ATmega644 microcontroller for his project so that he would have enough I\/O pins (each key uses its own I\/O pin)\u00a0for the 25 keys.<\/p>\n<div id=\"attachment_7962\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2013\/10\/NickelPhone.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7962\" class=\"size-full wp-image-7962\" alt=\"The Nickelphone\" src=\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2013\/10\/NickelPhone.jpg\" width=\"580\" height=\"371\" srcset=\"https:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2013\/10\/NickelPhone.jpg 580w, https:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2013\/10\/NickelPhone-550x351.jpg 550w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/a><p id=\"caption-attachment-7962\" class=\"wp-caption-text\">The Nickelphone<\/p><\/div>\n<p><center><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/DXPymiiYudA\" height=\"360\" width=\"480\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tyler Bletsch&#8217;s\u00a0Nickelphone is a coin-based music keyboard that has 15 nickels and 10 pennies arranged on a traditional 25-key piano-style layout and\u00a0act as touch sensors.\u00a0It can emit simple square wave tones through an onboard piezo buzzer, but its primary use is as a MIDI keyboard, so it can drive a full synthesizer (like FL Studio on PC). Tyler used an ATmega644 microcontroller for his project so that he would have enough I\/O pins (each key uses its own I\/O pin)\u00a0for the 25 keys.<\/p>\n","protected":false},"author":1,"featured_media":7962,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[11,681,682],"class_list":["post-7961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-avr-projects","tag-avr","tag-midi-player","tag-toch-sensor"],"_links":{"self":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/7961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/comments?post=7961"}],"version-history":[{"count":3,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/7961\/revisions"}],"predecessor-version":[{"id":7965,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/7961\/revisions\/7965"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media\/7962"}],"wp:attachment":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media?parent=7961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/categories?post=7961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/tags?post=7961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}