{"id":3038,"date":"2019-02-23T23:25:54","date_gmt":"2019-02-23T22:25:54","guid":{"rendered":"https:\/\/www.nerdiy.de\/?p=3038"},"modified":"2021-03-04T15:32:39","modified_gmt":"2021-03-04T14:32:39","slug":"raspberrypi-enviar-senales-fm-por-gpio-pin","status":"publish","type":"post","link":"https:\/\/nerdiy.de\/es\/raspberrypi-enviar-senales-fm-por-gpio-pin\/","title":{"rendered":"HowTo: Raspberry Pi \u2013 Enviar se\u00f1ales FM a trav\u00e9s del pin GPIO"},"content":{"rendered":"

Gracias a un truco t\u00e9cnico y a un script adecuado, tambi\u00e9n puedes utilizar la Raspberry Pi, sin ning\u00fan hardware adicional (aparte de un trozo de cable), para enviar archivos de audio e incluso textos completos a trav\u00e9s de la se\u00f1al FM. Esto convierte tu RaspberryPi en una peque\u00f1a estaci\u00f3n de radio.<\/p>\n

En este art\u00edculo se describe c\u00f3mo funciona esto y a qu\u00e9 debe prestar atenci\u00f3n.<\/p>\n

\n

Instrucciones de seguridad <\/span><\/h2>\r\n

S\u00e9 que las siguientes notas siempre son un poco molestas y parecen innecesarias. Desafortunadamente, muchas personas que sab\u00edan "mejor" han perdido ojos, dedos u otras cosas debido a un descuido o se lesionaron. La p\u00e9rdida de datos es casi insignificante en comparaci\u00f3n, pero incluso estos pueden ser realmente molestos. Por lo tanto, t\u00f3mese cinco minutos para leer las instrucciones de seguridad. Porque incluso el proyecto m\u00e1s genial no vale la pena lesionarse u otros problemas.<\/span>
https:\/\/www.nerdiy.de\/sicherheitshinweise\/<\/span><\/a><\/em><\/strong><\/p>\r\n

Enlaces afiliados \/ enlaces publicitarios<\/h2>\r\n

Los enlaces a las tiendas en l\u00ednea enumerados aqu\u00ed son los llamados enlaces de afiliados. Si hace clic en dicho enlace de afiliado y realiza una compra a trav\u00e9s de este enlace, Nerdiy.de recibir\u00e1 una comisi\u00f3n de la tienda en l\u00ednea o el proveedor correspondiente. El precio no cambia para usted. Si realiza sus compras a trav\u00e9s de estos enlaces, ayuda a Nerdiy.de a poder ofrecer otros proyectos \u00fatiles en el futuro. \ud83d\ude42\u00a0<\/em><\/p>\n

\n

Requisitos<\/h2>\n

Antes de comenzar con este art\u00edculo, debe haber preparado la RaspberryPi para que pueda accederse a ella a trav\u00e9s de la red y controlarse a trav\u00e9s de SSH.<\/p>\n

Los siguientes tres art\u00edculos describen lo que se debe hacer para preparar la RaspberryPi:
\nRaspberryPi: \u00a1configuraci\u00f3n para nerdiys!<\/a><\/strong><\/em>
\nRaspberryPi \u2013 \u00a1La primera configuraci\u00f3n!
\n<\/a>RaspberryPi: controle el RaspberryPi a trav\u00e9s de SSH<\/a><\/strong><\/em><\/p>\n

Herramienta requerida:
\n<\/strong>-No-
\n<\/strong><\/p>\n

Material requerido:<\/strong><\/p>\n

En la siguiente lista encontrar\u00e1 todas las piezas que necesita para implementar este art\u00edculo.<\/strong><\/p>\n

\n \n \n \n \n \n \n \n \n <\/colgroup>\n <\/table>\n \n \n \n<\/div>\n\n
\n

Palabras importantes por adelantado<\/h2>\n

El env\u00edo de se\u00f1ales FM (y muchas otras) a trav\u00e9s de transmisores de radio no autorizados no es legal en Alemania. El m\u00e9todo que se muestra a continuaci\u00f3n le permite hacer exactamente eso. \u00daselo de manera responsable. Sobre todo, aseg\u00farese de no molestar a ninguna emisora de radio habitual. El m\u00e9todo mostrado es comparativamente potente y tambi\u00e9n irradia en otros rangos de frecuencia. Esto significa que puede provocar f\u00e1cilmente el disgusto de sus vecinos y, con ello, tambi\u00e9n de la Agencia Federal de Redes.<\/p>\n

\n

Conexi\u00f3n\/preparaci\u00f3n de la antena<\/h2>\n

En principio, puedes utilizar cualquier cable que tengas disponible como antena. S\u00f3lo la longitud es importante. El cable debe tener aproximadamente 20 cm de largo.<\/p>\n

In dem unten aufgef\u00fchrten Beispiel habe ich einen starren Draht genommen(also keine flexible Litze) und daran dann einen Dupont-Stecker aufgecrimpt. Im Prinzip k\u00f6nnt Ihr aber auch jedes andere „einfache“ dupont Kabel dazu verwenden.<\/p>\n

\"\"<\/a>
Las piezas necesarias: cable de 20 cm de largo, RaspberryPi y conector Dupont (opcional)<\/figcaption><\/figure>\n
\"\"<\/a>
Primer plano del conector Dupont.<\/figcaption><\/figure>\n
\"\"<\/a>
Este (enchufe Dupont) est\u00e1 engarzado en el cable...<\/figcaption><\/figure>\n
\"\"<\/a>
...y luego se conect\u00f3 al GPIO4 de RaspberryPi.<\/figcaption><\/figure>\n
\"\"<\/a>
Primer plano del cable conectado a la barra GPIO de RaspberryPi.<\/figcaption><\/figure>\n
\n

Inicie sesi\u00f3n en RaspberryPi a trav\u00e9s de SSH<\/h2>\r\n

Para comenzar, primero debe iniciar sesi\u00f3n en Rasp Pi con Putty a trav\u00e9s de SSH. C\u00f3mo hacer esto est\u00e1 en el art\u00edculo. RaspberryPi - Controle el RaspberryPi a trav\u00e9s de SSH<\/strong><\/em><\/a> descrito.<\/p>\r\n

\"\"<\/a>
Despu\u00e9s de ingresar su nombre de usuario y contrase\u00f1a, puede ingresar los primeros comandos.<\/figcaption><\/figure>\n
\n

Gesti\u00f3n de paquetes de actualizaci\u00f3n<\/h2>\r\n

La gesti\u00f3n de paquetes en Linux es un "lugar central" a trav\u00e9s del cual se pueden instalar varios paquetes de software. Para que esto funcione de manera confiable, las listas y fuentes de administraci\u00f3n de paquetes deben actualizarse antes de cada instalaci\u00f3n de nuevos paquetes.<\/p>\r\n

\"\"<\/a>
Para iniciar la actualizaci\u00f3n de la gesti\u00f3n de paquetes, debe ingresar el siguiente comando.<\/figcaption><\/figure>\r\n
sudo apt-obtener actualizaci\u00f3n && sudo apt-obtener actualizaci\u00f3n<\/pre>\r\n
\"\"<\/a>
Dependiendo de cu\u00e1nto tiempo hace que fue la \u00faltima actualizaci\u00f3n de la administraci\u00f3n de paquetes, este proceso ahora puede demorar un tiempo. Las listas que hacen referencia a las fuentes de paquetes individuales se actualizan primero.<\/figcaption><\/figure>\r\n
\"\"<\/a>
Despu\u00e9s de eso, los paquetes en s\u00ed se actualizan. Dado que la memoria adicional est\u00e1 ocupada, se le pedir\u00e1 nuevamente su consentimiento. Tienes que confirmar esto con una "J" y "Enter".<\/figcaption><\/figure>\r\n
\"\"<\/a>
Una vez que se complete la actualizaci\u00f3n, ver\u00e1 un peque\u00f1o resumen de la duraci\u00f3n y el alcance de la actualizaci\u00f3n.<\/figcaption><\/figure>\n
\n
Instalar los paquetes necesarios<\/h2>\n
Para que ahora puedas enviar se\u00f1ales FM a trav\u00e9s de RaspberryPi, por supuesto tendr\u00e1s que instalar alg\u00fan software. Dado que usted mismo debe compilar el c\u00f3digo fuente del transmisor FM, primero es necesario instalar un compilador adecuado. Esto se puede hacer con el siguiente comando.<\/p>\n
\"\"<\/a><\/p>\n
sudo apt-get install make gcc g++<\/pre>\n
\n
Copie y compile software del repositorio GIT<\/h2>\n
Una vez que haya instalado el compilador, ahora es el momento de descargar el c\u00f3digo del programa real.<\/p>\n
\"\"<\/a>
Para hacer esto, primero cree una carpeta en la que pueda descargar los archivos del c\u00f3digo fuente. Para hacer esto, ingrese el siguiente comando.<\/figcaption><\/figure>\n
Transmisor mkdir fm<\/pre>\n
\"\"<\/a>
Luego cambie a la carpeta creada con el siguiente comando.<\/figcaption><\/figure>\n
transmisor de cd fm<\/pre>\n
\"\"<\/a>
Ahora puede comenzar a descargar los archivos de c\u00f3digo fuente con el siguiente comando.<\/figcaption><\/figure>\n
clon de git https:\/\/github.com\/markondej\/fm_transmitter.git<\/pre>\n
Sollte das oben angegebene GitHub Repository aus irgendeinem Grund nicht mehr verf\u00fcgbar sein k\u00f6nnt Ihr auch auf das „Backup“ im Nerdiy-GitHub zur\u00fcckgreifen. Ihr findet es hier: https:\/\/github.com\/Nerdiyde\/fm_transmitter<\/strong><\/em><\/a><\/p>\n
\"\"<\/a>
De forma predeterminada, los archivos descargados est\u00e1n contenidos en otra carpeta. Cambie a esta carpeta con el siguiente comando.<\/figcaption><\/figure>\n
cd fm_transmitter<\/pre>\n
\"\"<\/a>
Nachdem Ihr in den Ordner gewechselt habt k\u00f6nnt Ihr den Kompiliervorgang starten in dem Ihr den Befehl „make“ ausf\u00fchrt.<\/figcaption><\/figure>\n
hacer<\/pre>\n
\"\"<\/a>
El proceso de compilaci\u00f3n tarda unos segundos dependiendo de la potencia inform\u00e1tica.<\/figcaption><\/figure>\n
\n
Comando para enviar la se\u00f1al FM<\/h2>\n
El programa para enviar se\u00f1ales FM ya est\u00e1 listo.<\/p>\n
Con el siguiente comando ahora puede reproducir un archivo .wav a la frecuencia establecida.<\/p>\n
sudo .\/fm_transmitter [-f frecuencia] [-r] nombre de archivo<\/pre>\n
Dabei m\u00fcsst Ihr „frequency“ noch durch die von euch gew\u00fcnschte Frequenz und filename durch den Dateinamen Eurer .wav-Datei ersetzen.<\/p>\n
Por ejemplo, el siguiente comando env\u00eda el archivo test.wav a 102,0 Mhz.<\/p>\n
sudo .\/fm_transmitter -f 102.0 -r prueba.wav<\/pre>\n
\n
Env\u00eda un bucle sin fin de un archivo de m\u00fasica<\/h2>\n
Si se encuentra en la carpeta del repositorio GIT copiado, puede usar el siguiente comando para reproducir la melod\u00eda proporcionada y recibirla a trav\u00e9s de 102,0 MHz.<\/p>\n
\"\"<\/a><\/p>\n
sox guitarra_ac\u00fastica_dueto.wav -r 22050 -c 1 -b 16 -t wav - | sudo .\/fm_transmitter -f 102.0 -<\/pre>\n
\n
Enviar entrada de texto a trav\u00e9s de la se\u00f1al FM<\/h2>\n
El siguiente art\u00edculo tambi\u00e9n describe c\u00f3mo se puede enviar un texto determinado a las ondas a trav\u00e9s de la se\u00f1al de FM.<\/p>\n
RaspberryPi: salida de voz a trav\u00e9s de se\u00f1al FM<\/strong><\/em><\/a><\/p>\n
\n
M\u00e1s informaci\u00f3n<\/h2>\n
https:\/\/github.com\/markondej\/fm_transmitter<\/a>
\nhttps:\/\/github.com\/Nerdiyde\/fm_transmitter<\/a>
\n<\/strong><\/em><\/p>\n
\n
Divi\u00e9rtete con el proyecto.<\/h2>\r\n
Espero que todo te haya funcionado como se describe. Si no es as\u00ed, o si tiene alguna pregunta o sugerencia, h\u00e1gamelo saber en los comentarios. Si es necesario, lo a\u00f1adir\u00e9 al art\u00edculo.
Las ideas para nuevos proyectos siempre son bienvenidas. \ud83d\ude42<\/p>\r\n
PS Muchos de estos proyectos, especialmente los proyectos de hardware, cuestan mucho tiempo y dinero. Por supuesto que hago esto porque lo disfruto, pero si crees que es genial que comparta la informaci\u00f3n contigo, me encantar\u00eda hacer una peque\u00f1a donaci\u00f3n al fondo del caf\u00e9. \ud83d\ude42<\/strong><\/p>\r\n
\"C\u00f3mprame<\/a>\u00a0 \u00a0 \u00a0 \u00a0   \"\"<\/p>","protected":false},"excerpt":{"rendered":"
Gracias a un truco t\u00e9cnico y un script adecuado, tambi\u00e9n puede usar RaspberryPi para grabar archivos de audio e incluso textos completos a trav\u00e9s de una se\u00f1al FM sin hardware adicional (aparte de un cable).<\/p>","protected":false},"author":1,"featured_media":3603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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":[24],"tags":[27,47,48],"class_list":["post-3038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi","tag-aktoren","tag-raspi","tag-raspian"],"yoast_head":"\nHowTo: Raspberry Pi - FM-Signale senden per GPIO-Pin - nerdiy.de - DIY, Elektronik, 3D Druck und mehr...<\/title>\n<meta name=\"description\" content=\"Read a huge collection of detailed Tutorials on Nerdiy.de about all kind of Software, Hardware and general maker topics.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nerdiy.de\/es\/raspberrypi-enviar-senales-fm-por-gpio-pin\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HowTo: Raspberry Pi - FM-Signale senden per GPIO-Pin - nerdiy.de - DIY, Elektronik, 3D Druck und mehr...\" \/>\n<meta property=\"og:description\" content=\"Read a huge collection of detailed Tutorials on Nerdiy.de about all kind of Software, Hardware and general maker topics.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nerdiy.de\/es\/raspberrypi-enviar-senales-fm-por-gpio-pin\/\" \/>\n<meta property=\"og:site_name\" content=\"nerdiy.de - 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Wie das geht und was Ihr dabei beachten m\u00fcsst, ist in diesem Artikel beschrieben Voraussetzungen Bevor ihr mit diesem Artikel startet solltet ihr den RaspberryPi soweit vorbereitet haben,\u2026","rel":"","context":"In "Abendprojekt(<2h)"","block_context":{"text":"Abendprojekt(<2h)","link":"https:\/\/nerdiy.de\/es\/categoria\/proyecto-vespertino2h\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.nerdiy.de\/wp-content\/uploads\/2018\/11\/www.nerdiy.de-raspberrypi-sprachausgabe-installieren-mit-espeak-putty-2018-11-22-01-48-05.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.nerdiy.de\/wp-content\/uploads\/2018\/11\/www.nerdiy.de-raspberrypi-sprachausgabe-installieren-mit-espeak-putty-2018-11-22-01-48-05.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.nerdiy.de\/wp-content\/uploads\/2018\/11\/www.nerdiy.de-raspberrypi-sprachausgabe-installieren-mit-espeak-putty-2018-11-22-01-48-05.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":14852,"url":"https:\/\/nerdiy.de\/es\/howto-nodered-switch-the-raspberrypi-screen-on-and-off\/","url_meta":{"origin":3038,"position":3},"title":"HowTo: Node Red - Encender y apagar la pantalla de la Raspberry Pi","author":"Fab","date":"18. February 2021","format":false,"excerpt":"Damit mein MagicMirror nur dann eingeschaltet ist, wenn ich ihn auch wirklich nutze, habe ich eine kleine Automatisierung mithilfe von NodeRed konfiguriert. So wird der Bildschirm nur dann eingeschaltet wenn auch eine Bewegung erkannt wird. Der Bildschirm selber wird dabei \u00fcber den Befehl \"vcgencmd\" ein- und ausgeschaltet. 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July 2022","format":false,"excerpt":"Sobald Ihr mit OpenMediaVault arbeitet und verschiedene Dienste und Plugins nutzt macht es irgendwann Sinn einen neuen Benutzer zu erstellen. So k\u00f6nnt Ihr Zugriffsrechte wohl dosiert einstellen was letztlich dazu beitr\u00e4gt die Sicherheit zu erh\u00f6hen. Wie Ihr mithilfe von OpenMediaVault einen neuen Benutzer erstellen k\u00f6nnt ist im folgenden Artikel beschrieben.\u2026","rel":"","context":"In "Abendprojekt(<2h)"","block_context":{"text":"Abendprojekt(<2h)","link":"https:\/\/nerdiy.de\/es\/categoria\/proyecto-vespertino2h\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2022\/06\/www.nerdiy.de-howto-openmediavault-weiteren-benutzer-erstellen-chrome-mbpwdlos0m.jpg?fit=1051%2C803&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2022\/06\/www.nerdiy.de-howto-openmediavault-weiteren-benutzer-erstellen-chrome-mbpwdlos0m.jpg?fit=1051%2C803&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2022\/06\/www.nerdiy.de-howto-openmediavault-weiteren-benutzer-erstellen-chrome-mbpwdlos0m.jpg?fit=1051%2C803&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2022\/06\/www.nerdiy.de-howto-openmediavault-weiteren-benutzer-erstellen-chrome-mbpwdlos0m.jpg?fit=1051%2C803&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2022\/06\/www.nerdiy.de-howto-openmediavault-weiteren-benutzer-erstellen-chrome-mbpwdlos0m.jpg?fit=1051%2C803&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2083,"url":"https:\/\/nerdiy.de\/es\/evaluar-howto-raspberry-pi-mpr121-touchsensor-via-i2c-and-node-red\/","url_meta":{"origin":3038,"position":5},"title":"C\u00f3mo: Raspberry Pi - Evaluar MPR121 sensor t\u00e1ctil a trav\u00e9s de I2C y Node Red","author":"Fab","date":"2. July 2022","format":false,"excerpt":"Dank des I2C Bus kann der Raspberry Pi mit vielerlei praktischen Sensoren und Aktoren ausgestattet werden. Eine (meiner Meinung nach) sehr elegante M\u00f6glichkeit f\u00fcr Benutzereingaben bietet dabei der MPR121. Der MPR121 ist ein Controller, der es erm\u00f6glicht bis zu 12 Touch-Elektroden auszuwerten. 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