{"id":2298,"date":"2022-05-20T21:00:47","date_gmt":"2022-05-20T21:00:47","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=2298"},"modified":"2023-08-28T09:27:59","modified_gmt":"2023-08-28T09:27:59","slug":"raspberry-pi-project-ideas-modern-solutions-require-more-modern-solutions","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/pt\/ideias-para-projectos-raspberry-pi-as-solucoes-modernas-exigem-solucoes-mais-modernas\/","title":{"rendered":"Projectos Raspberry Pi: Solu\u00e7\u00f5es modernas exigem solu\u00e7\u00f5es mais modernas!"},"content":{"rendered":"<p>Esta semana, trazemos-lhe algumas <em>moderno<\/em> Projectos Raspberry Pi!<\/p>\n\n\n\n<p>J\u00e1 viu o meme que diz: \"Problemas modernos exigem solu\u00e7\u00f5es modernas?\"<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"454\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Modern_Problems_Require_Modern_Solutions.jpg\" alt=\"\" class=\"wp-image-2299\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Modern_Problems_Require_Modern_Solutions.jpg 600w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Modern_Problems_Require_Modern_Solutions-300x227.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Modern_Problems_Require_Modern_Solutions-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<p>Bem, o que acontece se as suas solu\u00e7\u00f5es modernas criarem alguns problemas modernos?<\/p>\n\n\n\n<p>Ent\u00e3o, precisa de uma solu\u00e7\u00e3o moderna.<\/p>\n\n\n\n<p>Por conseguinte, as solu\u00e7\u00f5es modernas exigem solu\u00e7\u00f5es modernas.<\/p>\n\n\n\n<p>No entanto, por vezes, estes problemas s\u00e3o t\u00e3o pequenos que os fabricantes n\u00e3o se d\u00e3o ao trabalho de criar uma solu\u00e7\u00e3o para si.<\/p>\n\n\n\n<p>Felizmente, como entusiastas do Raspberry Pi, o nosso engenho \u00e9 infinito.<\/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\/2022\/05\/modern-solutions-require-modern-solutions-1024x768.jpg\" alt=\"solu\u00e7\u00f5es modernas requerem solu\u00e7\u00f5es modernas\" class=\"wp-image-2342\" style=\"width:512px;height:384px\" width=\"512\" height=\"384\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/modern-solutions-require-modern-solutions-1024x768.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/modern-solutions-require-modern-solutions-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/modern-solutions-require-modern-solutions-768x576.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/modern-solutions-require-modern-solutions-16x12.jpg 16w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/modern-solutions-require-modern-solutions.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\">Desativar o arranque e paragem autom\u00e1ticos do motor<\/h2>\n\n\n\n<iframe loading=\"lazy\" id=\"reddit-embed\" src=\"https:\/\/www.redditmedia.com\/r\/funny\/comments\/uqjrkr\/got_real_tired_of_turning_this_off_every_time_i\/?ref_source=embed&amp;ref=share&amp;embed=true\" sandbox=\"allow-scripts allow-same-origin allow-popups\" style=\"border: none;\" height=\"620\" width=\"640\" scrolling=\"no\"><\/iframe>\n\n\n\n<p>O consumo de combust\u00edvel \u00e9 muito importante hoje em dia, com os pre\u00e7os da gasolina a disparar.<\/p>\n\n\n\n<p>Para seu cr\u00e9dito, os fabricantes de autom\u00f3veis criaram uma solu\u00e7\u00e3o que p\u00e1ra o motor quando detecta que o carro est\u00e1 ao ralenti. Isto ajuda realmente o seu carro a poupar gasolina quando est\u00e1 parado.<\/p>\n\n\n\n<p>Mas algumas pessoas preferem n\u00e3o o usar e eu percebo porqu\u00ea.<\/p>\n\n\n\n<p>H\u00e1 algum tempo, estava num carro moderno alugado. Descobri que, com o sistema de arranque autom\u00e1tico ativado, tinha de \"planear\" a press\u00e3o dos trav\u00f5es para poder ligar o motor antes de o sem\u00e1foro ficar verde. <\/p>\n\n\n\n<p>Por vezes, esquecia-me e ficava parado no verde durante mais tempo do que gostaria. Para compensar, pisava com mais for\u00e7a no acelerador. N\u00e3o recomendado.<\/p>\n\n\n\n<p>Alguns fabricantes de autom\u00f3veis n\u00e3o lhe d\u00e3o a possibilidade de desativar a fun\u00e7\u00e3o de paragem\/arranque autom\u00e1tico. Se a quiser desativar, tem de premir o bot\u00e3o sempre que conduzir.<\/p>\n\n\n\n<p>Agora j\u00e1 n\u00e3o!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Descri\u00e7\u00e3o do projeto<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/servo-1024x576.jpg\" alt=\"servo pressionando o bot\u00e3o do teclado\" class=\"wp-image-2305\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/servo-1024x576.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/servo-300x169.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/servo-768x432.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/servo-18x10.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/servo.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Raspberry Pi Pico com servo no teclado.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>O que est\u00e1 a ver no v\u00eddeo acima \u00e9 um produto comercial, mas pode ser facilmente realizado com um Raspberry Pi Pico e um servo SG90. A energia para o Raspberry Pi Pico pode ser fornecida pelas portas USB do carro.<\/p>\n\n\n\n<p>O c\u00f3digo MicroPython b\u00e1sico \u00e9 este e assume que ligaste a linha de sinal do servo \u00e0 GPIO 16.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"from time import sleepfrom machine import Pinfrom machine import PWMpwm = PWM(Pin(16))pwm.freq(50)pwm.duty_ns(2000000)sleep(0.5)pwm.duty_ns(500000)\" style=\"color:#d8dee9ff;display:none\" aria-label=\"C\u00f3pia\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">from<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">time<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">sleep<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">from<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">machine<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Pin<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">from<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">machine<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">PWM<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #8FBCBB\">pwm<\/span><span style=\"color: #D8DEE9FF\"> = <\/span><span style=\"color: #8FBCBB\">PWM<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #8FBCBB\">Pin<\/span><span style=\"color: #D8DEE9FF\">(16))<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #8FBCBB\">pwm<\/span><span style=\"color: #D8DEE9FF\">.<\/span><span style=\"color: #8FBCBB\">freq<\/span><span style=\"color: #D8DEE9FF\">(50)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #8FBCBB\">pwm<\/span><span style=\"color: #D8DEE9FF\">.<\/span><span style=\"color: #8FBCBB\">duty_ns<\/span><span style=\"color: #D8DEE9FF\">(2000000)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #8FBCBB\">sleep<\/span><span style=\"color: #D8DEE9FF\">(0.5)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #8FBCBB\">pwm<\/span><span style=\"color: #D8DEE9FF\">.<\/span><span style=\"color: #8FBCBB\">duty_ns<\/span><span style=\"color: #D8DEE9FF\">(500000)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Existem alguns desafios a este respeito:<\/p>\n\n\n\n<p>Primeiro, \u00e9 necess\u00e1rio ajustar o \u00e2ngulo do servo. Este \u00e9 ajustado pelo valor passado para <strong>pwn_duty_ns<\/strong>, que \u00e9 em nanossegundos.<\/p>\n\n\n\n<p>2 milh\u00f5es de nanossegundos (2.000.000) equivalem a uma rota\u00e7\u00e3o completa e 500.000 a uma rota\u00e7\u00e3o completa na dire\u00e7\u00e3o oposta.<\/p>\n\n\n\n<p>No final, utilizei apenas 1.000.000 a 2.000.000 de nanossegundos, em vez da gama completa do servo.<\/p>\n\n\n\n<p>Em segundo lugar, \u00e9 necess\u00e1rio saber como desativar a fun\u00e7\u00e3o start-stop do seu autom\u00f3vel. Alguns exigem que prima e mantenha premido, pelo que ter\u00e1 de ajustar o bot\u00e3o <strong>dormir<\/strong> comprimento.<\/p>\n\n\n\n<p>Em terceiro lugar, o objetivo \u00e9 que isto funcione apenas quando o motor est\u00e1 ligado e n\u00e3o quando se liga o r\u00e1dio. Este \u00e9 provavelmente o maior desafio porque n\u00e3o existe uma forma f\u00e1cil de dizer ao Pico quando o motor est\u00e1 ligado.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/pico-servo.gif\" alt=\"raspberry pi pico servo\" class=\"wp-image-2309\"\/><figcaption class=\"wp-element-caption\">Emparelhe o Raspberry Pi Pico com um controlador sem fios e nunca mais se vai levantar da cama para desligar as luzes!<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Mas o mesmo projeto - operar um servo com o Raspberry Pi Pico pode, na verdade, ser muito ben\u00e9fico para muitos outros projectos, como um interrutor de comuta\u00e7\u00e3o. Eu uso este m\u00e9todo exato para <a href=\"https:\/\/xyzcreativeworks.com\/index.php\/2019\/12\/13\/arduino-remote-light-switch\/\">ficar na cama e apagar as luzes do quarto<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"205\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/raspberry-pi-pico-keyboard-servo-controller-anti-idle.gif\" alt=\"raspberry pi pico teclado servo controlador anti inatividade\" class=\"wp-image-2313\"\/><figcaption class=\"wp-element-caption\">Evite que o protetor de ecr\u00e3 apare\u00e7a com isto!<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Ou pode ser utilizado para parar um protetor de ecr\u00e3 premindo um bot\u00e3o aleat\u00f3rio (como INSERT).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OpenMower: Cortador de relva rob\u00f3tico com GPS<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"554\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3-1024x554.jpg\" alt=\"Cortador de relva Raspberry Pi guiado por GPS OpenMower\" class=\"wp-image-2333\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3-1024x554.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3-300x162.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3-768x415.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3-1536x830.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3-18x10.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_3.jpg 1907w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Pe\u00e7as do OpenMower, o cortador de relva guiado por GPS. Captura de ecr\u00e3 do YouTube de Clemens Elflein.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\"Os cortadores de relva rob\u00f3ticos n\u00e3o prestam!\"<\/p>\n\n\n\n<p>\u00c9 o que diz Clemens Elflein, o criador do OpenMower.<\/p>\n\n\n\n<p>A sua queixa \u00e9 que estes robots s\u00e3o demasiado burros. <\/p>\n\n\n\n<p>\"Basicamente, todos estes rob\u00f4s conduzem numa dire\u00e7\u00e3o aleat\u00f3ria at\u00e9 atingirem o limite do relvado, rodam durante um per\u00edodo aleat\u00f3rio e repetem. Acho que podemos fazer melhor!\"<\/p>\n\n\n\n<p>Assim, em vez de um m\u00e9todo de corte de relva aleat\u00f3rio, Clemens procurou algo mais preciso, integrando o GPS. A vantagem aqui \u00e9 que o rob\u00f4 corta-relva tamb\u00e9m pode navegar autonomamente at\u00e9 ao quintal e cortar a relva l\u00e1!<\/p>\n\n\n\n<p>Um rob\u00f4 corta-relva \u00e9 uma solu\u00e7\u00e3o moderna para reduzir a tarefa repetitiva de cortar a relva. Mas n\u00e3o \u00e9 suficientemente bom.<\/p>\n\n\n\n<p>Lembre-se porque est\u00e1 a ler isto... solu\u00e7\u00f5es modernas requerem solu\u00e7\u00f5es mais modernas!<\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"1198\" height=\"674\" src=\"https:\/\/www.youtube.com\/embed\/BSF04i3zNGw\" title=\"reprodutor de v\u00eddeo do YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe>\n\n\n\n<h3 class=\"wp-block-heading\">Objectivos do projeto<\/h3>\n\n\n\n<p>Clemens utilizou um produto comercial chamado YardForce Classic 500 e instalou um Raspberry Pi 4 e um Raspberry Pi Pico. <\/p>\n\n\n\n<p>Tal como indicado no seu <a href=\"https:\/\/github.com\/ClemensElflein\/OpenMower\">Github<\/a>Estes s\u00e3o os seus objectivos:<\/p>\n\n\n\n<p>Corte aut\u00f3nomo da relva: Obviamente, o dispositivo deve ser capaz de cortar a relva automaticamente.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Boa seguran\u00e7a: O dispositivo deve ser seguro, por exemplo, paragem de emerg\u00eancia em caso de eleva\u00e7\u00e3o ou colis\u00e3o.<\/li>\n\n\n\n<li>N\u00e3o \u00e9 necess\u00e1rio arame de per\u00edmetro: Queremos ser flex\u00edveis e suportar v\u00e1rias \u00e1reas de corte.<\/li>\n\n\n\n<li>Baixo custo: Deve ser mais barato do que um produto de gama m\u00e9dia dispon\u00edvel no mercado<\/li>\n\n\n\n<li>Aberto: Quero partilhar conhecimentos e permitir que outros construam tamb\u00e9m um OpenMower.<\/li>\n\n\n\n<li>Bonito de se ver: N\u00e3o deve ter vergonha de ter um OpenMower a cortar a sua relva.<\/li>\n\n\n\n<li>Evitar obst\u00e1culos: O cortador de relva deve detetar obst\u00e1culos e evit\u00e1-los durante o corte.<\/li>\n\n\n\n<li>Dete\u00e7\u00e3o de chuva: O dispositivo deve ser capaz de detetar m\u00e1s condi\u00e7\u00f5es climat\u00e9ricas e interromper o corte da relva at\u00e9 que estas melhorem.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Consegues faz\u00ea-lo?<\/h3>\n\n\n\n<p>Clemens criou um grupo no Discord e as pessoas est\u00e3o a participar diariamente.<\/p>\n\n\n\n<p>Ele n\u00e3o recomenda que se fa\u00e7a isso a menos que se saiba o que se est\u00e1 a fazer.<\/p>\n\n\n\n<p>Ele deixa bem claro, com um aviso, que se alguma coisa correr mal, n\u00e3o lhe venham bater \u00e0 porta.<\/p>\n\n\n\n<p>Junte-se ao OpenMower's <a href=\"https:\/\/discord.gg\/jE7QNaSxW7\">Disc\u00f3rdia<\/a> ou ver os seus <a href=\"https:\/\/www.youtube.com\/redirect?event=video_description&amp;redir_token=QUFFLUhqbWNtS19ES3RqQ0k2dzBWNmhwZEFvT0dQSjNBUXxBQ3Jtc0ttdFRGS3ozMkJBdGZnV05XczlKb0xpemVTMjlDNFF3ZG4yWjIwVkM5U2xVeTlPRGJfMWxqYlhrVTBqTjZkZ2kxOWNUQ0ZHNXMtUEt6VEdlX2hOWkxDRUVidHI4aFRHMWJYQVZDdWlEYTlVM0t4YktZQQ&amp;q=https%3A%2F%2Fgithub.com%2FClemensElflein%2FOpenMower&amp;v=BSF04i3zNGw\">GitHub<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e3o h\u00e1 coc\u00f3, Sherlock: como se livrar do coc\u00f3 de c\u00e3o no quintal<\/h2>\n\n\n\n<p>Caleb Olson tem um corgi que deixa excrementos por todo o seu quintal.<\/p>\n\n\n\n<p>Inicialmente, concebeu um sistema que assinala o local onde o seu c\u00e3o, Twinkie, deixa cair o coc\u00f3 e marca-o numa imagem. Uma solu\u00e7\u00e3o moderna.<\/p>\n\n\n\n<p>Mas a solu\u00e7\u00e3o moderna revelou-se \"demasiado trabalhosa\", uma vez que tem de consultar o telem\u00f3vel para ter uma ideia de onde se encontram os locais.<\/p>\n\n\n\n<p>E o que \u00e9 que ele fez? Instalou um bra\u00e7o rob\u00f3tico com um laser que aponta para onde est\u00e1 o coc\u00f3.<\/p>\n\n\n\n<p>Solu\u00e7\u00f5es modernas exigem solu\u00e7\u00f5es mais modernas.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4-1024x572.jpg\" alt=\"caleb olson detetor de coc\u00f3 de c\u00e3o laser raspberry pi\" class=\"wp-image-2337\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4-1024x572.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4-300x167.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4-768x429.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4-1536x857.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4-18x10.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Screenshot_4.jpg 1917w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">O ponto vermelho representa o laser que guia Caleb Olson para os locais onde o seu c\u00e3o fez coc\u00f3. Captura de ecr\u00e3 do YouTube de Caleb.<\/figcaption><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"226\" height=\"307\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/image-12.png\" alt=\"\" class=\"wp-image-2336\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/image-12.png 226w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/image-12-221x300.png 221w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/image-12-9x12.png 9w\" sizes=\"auto, (max-width: 226px) 100vw, 226px\" \/><figcaption class=\"wp-element-caption\">Caleb Olson (captura de ecr\u00e3 do seu YouTube)<\/figcaption><\/figure>\n<\/div>\n\n\n<p>A vis\u00e3o por computador \u00e9 crucial para esta tarefa, uma vez que inicia a orienta\u00e7\u00e3o por laser do coc\u00f3. Ao cruzar os bra\u00e7os, o computador inicia o sistema de orienta\u00e7\u00e3o apontando para o primeiro ponto de coc\u00f3. <\/p>\n\n\n\n<p>Depois, quando ele se abaixa para apanhar o coc\u00f3, o OpenCV detecta isso e leva-o para o pr\u00f3ximo local de coc\u00f3.<\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"1255\" height=\"706\" src=\"https:\/\/www.youtube.com\/embed\/rVzwHwN4-V0\" title=\"reprodutor de v\u00eddeo do YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\">Voc\u00eas t\u00eam algum desses... projectos?<\/h2>\n\n\n\n<p>Passo a pente fino o Reddit, o Twitter e outros sites diariamente para encontrar projectos interessantes para apresentar na PiCockpit Newsletter.<\/p>\n\n\n\n<p>Tamb\u00e9m pode consultar a nossa s\u00e9rie de Projectos Paragon <a href=\"https:\/\/picockpit.com\/raspberry-pi\/category\/paragon-projects\/\">aqui.<\/a><\/p>\n\n\n\n<p>Se tem conhecimento de um projecto interessante, deixe um coment\u00e1rio abaixo \ud83d\udc47<\/p>\n\n\n\n<p>Se gostar desta s\u00e9rie, subscreva a nossa newsletter abaixo \ud83d\udc47<\/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%2Fideias-para-projectos-raspberry-pi-as-solucoes-modernas-exigem-solucoes-mais-modernas%2F&text=Raspberry%20Pi%20projects%3A%20Modern%20solutions%20require%20more%20modern%20solutions%21\" title=\"Compartilhar no X\" aria-label=\"Compartilhar no X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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J\u00e1 viste o meme que diz: \"Problemas modernos requerem solu\u00e7\u00f5es modernas?\" Bem, o que acontece se as vossas solu\u00e7\u00f5es modernas criarem alguns problemas modernos? Bem, ent\u00e3o precisas de uma solu\u00e7\u00e3o moderna. Por isso, solu\u00e7\u00f5es modernas requerem solu\u00e7\u00f5es modernas. \u00c0s vezes, por\u00e9m, esses problemas s\u00e3o t\u00e3o pequenos que...<\/p>","protected":false},"author":2,"featured_media":2342,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[220],"tags":[672,673,671,670,11,221,486,447,187,538,669],"class_list":["post-2298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi-projects","tag-dog-poop","tag-engine","tag-gps","tag-lawn-mower","tag-pico","tag-pico-w","tag-project","tag-projects","tag-raspberry-pi","tag-raspberry-pi-zero","tag-robot"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi projects: Modern solutions require more modern solutions! | PiCockpit<\/title>\n<meta name=\"description\" content=\"Need some modern Raspberry Pi projects? 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