{"id":4612,"date":"2023-08-07T07:55:46","date_gmt":"2023-08-07T07:55:46","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=4612"},"modified":"2023-08-22T10:48:31","modified_gmt":"2023-08-22T10:48:31","slug":"paragon-project-euclidean-drum-machine","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/pt\/paragon-project-euclidean-drum-machine\/","title":{"rendered":"Projeto Paragon: M\u00e1quina de Tambor Euclidiana"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclidean-drum-machine-1024x576.png\" alt=\"\" class=\"wp-image-4613\" style=\"width:663px;height:372px\" width=\"663\" height=\"372\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclidean-drum-machine-1024x576.png 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclidean-drum-machine-300x169.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclidean-drum-machine-768x432.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclidean-drum-machine-18x10.png 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclidean-drum-machine.png 1200w\" sizes=\"auto, (max-width: 663px) 100vw, 663px\" \/><\/figure>\n<\/div>\n\n\n<p>Em termos de fazer m\u00fasica com o Raspberry Pi, h\u00e1 uma m\u00e3o-cheia de op\u00e7\u00f5es dispon\u00edveis. As pessoas inventaram formas de transformar os seus Pis em instrumentos de todos os tipos. No entanto, em compara\u00e7\u00e3o, existem poucos projectos musicais em torno do Raspberry Pi Pico. Por isso, \u00e9 emocionante ver uma nova drum machine euclidiana do Pico aparecer no reddit. <\/p>\n\n\n\n<p>Apresentando o <a href=\"https:\/\/www.reddit.com\/r\/raspberry_pi\/comments\/15k2gh0\/euclid16_rpi_pico_euclidean_drum_machine\/\">euclid-16, uma bateria eletr\u00f4nica euclidiana desenvolvida com base no Raspberry Pi Pico, criada por aproximacion<\/a>.<\/p>\n\n\n\n<p>Este projeto n\u00e3o s\u00f3 \u00e9 inspirador, como tamb\u00e9m \u00e9 muito simples e a aproximacion incluiu um reposit\u00f3rio no GitHub com todo o c\u00f3digo necess\u00e1rio para o montar!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-1024x768.jpg\" alt=\"\" class=\"wp-image-4614\" style=\"width:579px;height:434px\" width=\"579\" height=\"434\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-1024x768.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-768x576.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-1536x1152.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-2048x1536.jpg 2048w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid-16-16x12.jpg 16w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><figcaption class=\"wp-element-caption\">Cr\u00e9dito: <a href=\"https:\/\/www.reddit.com\/r\/raspberry_pi\/comments\/15k2gh0\/euclid16_rpi_pico_euclidean_drum_machine\/\">aproxima\u00e7\u00e3o<\/a>.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Como pormenor de aproxima\u00e7\u00e3o, o euclid-16 acima \u00e9 constitu\u00eddo por uma placa de perfura\u00e7\u00e3o e uma caixa de sab\u00e3o.<\/p>\n\n\n\n<p>Antes de entrarmos no hardware e no software, vale a pena falar sobre o que h\u00e1 de \"euclidiano\" nesta bateria eletr\u00f4nica. Os ritmos euclidianos - referindo-se ao antigo matem\u00e1tico grego, Euclides - s\u00e3o ritmos com padr\u00f5es super equilibrados em intervalos de tempo. <\/p>\n\n\n\n<p>Isto tem todo o tipo de implica\u00e7\u00f5es muito fixes, mas para este projeto de m\u00e1quina de ritmos, significa efetivamente que determina os intervalos e quantas batidas devem existir em cada intervalo.<\/p>\n\n\n\n<p>Assim, as m\u00e1quinas de percuss\u00e3o euclidianas baseiam os seus padr\u00f5es em <a href=\"http:\/\/cgm.cs.mcgill.ca\/~godfried\/publications\/banff.pdf\">ritmos euclidianos<\/a>, que pode observar neste v\u00eddeo que se aproxima, <a href=\"https:\/\/github.com\/redraw\/euclid-16\">que d\u00e1 pelo nome de redraw no GitHub<\/a>, carregado:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-video aligncenter\"><video src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/euclid.mp4\" controls=\"controls\" width=\"467\" height=\"467\"><\/video>\n<figcaption class=\"wp-element-caption\">Cr\u00e9dito: <a href=\"https:\/\/github.com\/redraw\/euclid-16\">redesenhar<\/a>.<\/figcaption>\n<\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Hardware<\/h2>\n\n\n\n<p>Como se pode ver, este projeto tem uma perfboard ligada a uma caixa de sab\u00e3o, juntamente com um <a href=\"https:\/\/buyzero.de\/products\/rgb-encoder-breakout?_pos=1&amp;_sid=b966f7d8f&amp;_ss=r\">codificador<\/a>, <a href=\"https:\/\/buyzero.de\/products\/leds-widerstande-basic-maker-kit?_pos=20&amp;_sid=5c3c55dc3&amp;_ss=r\">um LED amarelo juntamente com 16 LEDs vermelhos<\/a>, quatro <a href=\"https:\/\/buyzero.de\/products\/micro-taster?_pos=2&amp;_sid=386f64131&amp;_ss=r\">bot\u00f5es<\/a>, registo de dois deslocamentos 74HC595 <a href=\"https:\/\/buyzero.de\/products\/mcp23017-i2c-16-eingang-ausgang-erweiterungs-chip\">CIs<\/a>e um <a href=\"https:\/\/buyzero.de\/products\/raspberry-pi-pico-w-h-konfigurator-pico-pico-w-pico-h-pico-wh\">Framboesa Pi Pico<\/a>.<\/p>\n\n\n\n<p>Obviamente, no entanto, a configura\u00e7\u00e3o aqui \u00e9 bastante personaliz\u00e1vel. Qualquer caixa que possa conter o Pico e os componentes necess\u00e1rios, por exemplo, seria adequada para um projeto como este.<\/p>\n\n\n\n<p>Os dois registos de deslocamento controlam os 16 LEDs, como indicado pelo diagrama de liga\u00e7\u00f5es inclu\u00eddo no reposit\u00f3rio GitHub:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Screenshot-from-2023-08-07-09-33-22-1.png\" alt=\"\" class=\"wp-image-4625\" style=\"width:624px;height:412px\" width=\"624\" height=\"412\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Screenshot-from-2023-08-07-09-33-22-1.png 920w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Screenshot-from-2023-08-07-09-33-22-1-300x198.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Screenshot-from-2023-08-07-09-33-22-1-768x508.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Screenshot-from-2023-08-07-09-33-22-1-18x12.png 18w\" sizes=\"auto, (max-width: 624px) 100vw, 624px\" \/><figcaption class=\"wp-element-caption\">Cr\u00e9dito: <a href=\"https:\/\/github.com\/redraw\/euclid-16\/tree\/main\/wiring\">redesenhar<\/a>.<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Software<\/h2>\n\n\n\n<p>O c\u00f3digo \u00e9 CircuitPython, que, segundo o GitHub, \"\u00e9 \u00f3timo para brincar\", mas \"n\u00e3o fornece interrup\u00e7\u00f5es de temporizador de hardware, o que \u00e9 fundamental para manter o tempo consistente\".<\/p>\n\n\n\n<p>O \u00e1udio \u00e9 emitido atrav\u00e9s de PWM, mas tamb\u00e9m pode ser emitido atrav\u00e9s de I2S. Pode saber mais sobre a sa\u00edda de \u00e1udio com o Pico e PWM, I2S e I2C em <a href=\"https:\/\/picockpit.com\/raspberry-pi\/everything-about-sound-output-using-the-pico-w\/\">o nosso artigo sobre \u00e1udio com o Pico W.<\/a><\/p>\n\n\n\n<p>No post do reddit, aproximacion diz: \"De momento, est\u00e1 a funcionar como um sequenciador MIDI, mas o \u00e1udio atrav\u00e9s de PWM, ou usando um DAC i2s tamb\u00e9m deve ser poss\u00edvel. O objetivo ideal seria tocar nele samples baratos de DR-55, CR-78, Minipops, etc.\"<\/p>\n\n\n\n<p>E esta pequena m\u00e1quina de bateria pode guardar at\u00e9 16 sequ\u00eancias.<\/p>\n\n\n\n<p>Por isso, se quiser criar uma m\u00e1quina de percuss\u00e3o euclidiana super barata e realmente poderosa com o seu Raspberry Pi Pico, este \u00e9 o projeto para si!<\/p>\n\n\n\n<p>Pegue num par de Picos e depois pode juntar isto com <a href=\"https:\/\/diyelectromusic.wordpress.com\/2021\/01\/23\/midi-micropython-and-the-raspberry-pi-pico\/\">alguns outros projectos<\/a> para montar a sua banda rock ou uma orquestra completa. <\/p>\n\n\n\n<p>Se quiser ver mais pormenores, consulte a fonte do GitHub <a href=\"https:\/\/github.com\/redraw\/euclid-16\">aqui.<\/a><\/p>\n\n\n\n<p>Se quiser ver mais projectos Paragon que apresent\u00e1mos nesta s\u00e9rie, pode clicar em <a href=\"https:\/\/picockpit.com\/raspberry-pi\/category\/raspberry-pi-projects\/paragon-project\/\">aqui<\/a>.<\/p>\n\n\n\n<p>E se tiver alguma d\u00favida ou se quiser sugerir um projeto para esta s\u00e9rie, comente abaixo!<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fpt%2Fparagon-project-euclidean-drum-machine%2F&text=Paragon%20Project%3A%20Euclidean%20Drum%20Machine\" title=\"Compartilhar no X\" aria-label=\"Compartilhar no X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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As pessoas inventaram formas de transformar os seus Pis em instrumentos de todos os tipos. No entanto, em compara\u00e7\u00e3o, existem poucos projectos musicais em torno do Raspberry Pi Pico. Por isso, \u00e9 emocionante ver uma nova bateria euclidiana Pico...<\/p>","protected":false},"author":2,"featured_media":4613,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1534,220],"tags":[477,1756,1755,1754,1757,361,1633,189,11,221,486,447,187,456,359],"class_list":["post-4612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paragon-projects","category-raspberry-pi-projects","tag-circuitpython","tag-drum","tag-euclidean-drum-machine","tag-euclidean-rhythm","tag-machine","tag-music","tag-noise","tag-pi","tag-pico","tag-pico-w","tag-project","tag-projects","tag-raspberry-pi","tag-raspberry-pi-projects","tag-sound"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Paragon Project: Euclidean Drum Machine | PiCockpit<\/title>\n<meta name=\"description\" content=\"A euclidean drum machine made with a Raspberry Pi Pico! 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