{"id":104572,"date":"2022-07-01T21:36:43","date_gmt":"2022-07-01T19:36:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-raspberry-pi-predstavil-platu-pico-w-s-podderzhkoj-wi-fi"},"modified":"2022-07-01T21:36:43","modified_gmt":"2022-07-01T19:36:44","slug":"proekt-raspberry-pi-predstavil-platu-pico-w-s-podderzhkoj-wi-fi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/proekt-raspberry-pi-predstavil-platu-pico-w-s-podderzhkoj-wi-fi","title":{"rendered":"O projeto Raspberry Pi apresentou a placa Pico W com suporte a Wi-Fi.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

O projeto Raspberry Pi apresentou a nova placa Raspberry Pi Pico W, que d\u00e1 continuidade ao desenvolvimento da placa compacta Pico, equipada com o microcontrolador RP2040, desenvolvido internamente. Esta nova vers\u00e3o se diferencia pela integra\u00e7\u00e3o do suporte a Wi-Fi (2,4GHz 802.11n), implementado com o chip Infineon CYW43439. O chip CYW43439 tamb\u00e9m suporta Bluetooth Classic e Bluetooth Low-Energy, mas essas funcionalidades ainda n\u00e3o est\u00e3o ativadas na placa. O pre\u00e7o da nova placa \u00e9 de 6 d\u00f3lares, que \u00e9 dois d\u00f3lares a mais em compara\u00e7\u00e3o com a primeira vers\u00e3o. Entre as aplica\u00e7\u00f5es, al\u00e9m do uso conjunto com computadores Raspberry Pi, o desenvolvimento de sistemas embarcados e sistemas de controle de diversos dispositivos, a vers\u00e3o com Wi-Fi \u00e9 posicionada como uma plataforma para a cria\u00e7\u00e3o de dispositivos de Internet das Coisas (Internet of Things), que se comunicam pela rede.

\"O<\/center> <\/p>\n

O chip RP2040 possui um processador ARM Cortex-M0+ de dois n\u00facleos (133MHz) com 264 KB de mem\u00f3ria RAM incorporada (SRAM), controlador DMA, sensor de temperatura, temporizador e controlador USB 1.1. A placa cont\u00e9m 2 MB de mem\u00f3ria Flash, mas o chip suporta expans\u00e3o at\u00e9 16 MB. Para entrada e sa\u00edda, existem portas GPIO (30 pinos, dos quais 4 s\u00e3o dedicados \u00e0 entrada anal\u00f3gica), UART, I2C, SPI, USB (cliente e host com suporte para inicializa\u00e7\u00e3o a partir de dispositivos no formato UF2) e pinos PIO (Programmable I\/O state machines) especializados com 8 contatos para conectar perif\u00e9ricos personalizados. A alimenta\u00e7\u00e3o pode ser fornecida em uma faixa de 1.8 a 5.5 volts, permitindo o uso de diversas fontes de energia, incluindo duas ou tr\u00eas baterias AA comuns ou baterias de \u00edon de l\u00edtio padr\u00e3o. <\/p>\n

Para o desenvolvimento de aplicativos, podem ser utilizados as linguagens C, C++ ou MicroPython. O port do MicroPython para Raspberry Pi Pico foi desenvolvido em colabora\u00e7\u00e3o com o autor do projeto e suporta todas as funcionalidades do chip, incluindo sua pr\u00f3pria interface para conectividade PIO. Para o desenvolvimento para o chip RP2040 usando MicroPython, foi adaptado o ambiente de programa\u00e7\u00e3o integrado Thonny. As capacidades do chip s\u00e3o suficientes para executar aplicativos para resolver quest\u00f5es de aprendizado de m\u00e1quina, para os quais foi preparado um port do framework TensorFlow Lite. Para acesso \u00e0 rede, \u00e9 recomend\u00e1vel utilizar a pilha de rede lwIP, que est\u00e1 inclu\u00edda na nova vers\u00e3o do Pico SDK para desenvolvimento de aplicativos em C, assim como no novo firmware com MicroPython.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0435\u043a\u0442 Raspberry Pi \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043d\u043e\u0432\u0443\u044e \u043f\u043b\u0430\u0442\u0443 Raspberry Pi Pico W, \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u044e\u0449\u0443\u044e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043c\u0438\u043d\u0438\u0430\u0442\u044e\u0440\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u044b Pico, \u043e\u0441\u043d\u0430\u0449\u0451\u043d\u043d\u043e\u0439 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u043c RP2040 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438. \u041d\u043e\u0432\u0430\u044f \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044f \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0435\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Wi-Fi (2.4GHz 802.11n), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0447\u0438\u043f\u0430 Infineon CYW43439. \u0427\u0438\u043f CYW43439 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 Bluetooth Classic \u0438 Bluetooth Low-Energy, \u043d\u043e \u043e\u043d\u0438 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u0432 \u043f\u043b\u0430\u0442\u0435. \u0421\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u043e\u0432\u043e\u0439 \u043f\u043b\u0430\u0442\u044b — 6 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104572","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 O projeto Raspberry Pi apresentou a placa Pico W com suporte para Wi-Fi | ProHoster","description":"O projeto Raspberry Pi apresentou a nova placa Raspberry Pi Pico W, que d\u00e1 continuidade ao desenvolvimento da placa miniatura Pico, equipada com o microcontrolador RP2040 desenvolvido 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