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Driving HUB75 RGB Matrices on Raspi 5 with PIO 💡😎
Manage episode 457727209 series 1242341
内容由Adafruit Industries提供。所有播客内容(包括剧集、图形和播客描述)均由 Adafruit Industries 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
Since the latest release of 'piolib' we can do things like drive NeoPixels on any pin on the Raspberry Pi 5 (https://learn.adafruit.com/circuitpython-on-raspberrypi-linux/using-neopixels-on-the-pi-5) which rocks, and means we can tackle the next, more complex, project: driving HUB75 RGB Matrix displays (https://www.adafruit.com/product/5362) these require even MORE timing freakiness: using 10 pins, and 'manual' PWM means we have to constantly blit out the color dithering. Historically this was done with mmap'd memory to the GPIO controller bitbanging, which required a full core and could jitter depending on load. But now we can use the PIO peripheral! We can drive massive display arrays at high speeds and color depths using just about any pins. The future is looking bright 😎 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #adafruit #raspberrypi #pio
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4645集单集
Manage episode 457727209 series 1242341
内容由Adafruit Industries提供。所有播客内容(包括剧集、图形和播客描述)均由 Adafruit Industries 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
Since the latest release of 'piolib' we can do things like drive NeoPixels on any pin on the Raspberry Pi 5 (https://learn.adafruit.com/circuitpython-on-raspberrypi-linux/using-neopixels-on-the-pi-5) which rocks, and means we can tackle the next, more complex, project: driving HUB75 RGB Matrix displays (https://www.adafruit.com/product/5362) these require even MORE timing freakiness: using 10 pins, and 'manual' PWM means we have to constantly blit out the color dithering. Historically this was done with mmap'd memory to the GPIO controller bitbanging, which required a full core and could jitter depending on load. But now we can use the PIO peripheral! We can drive massive display arrays at high speeds and color depths using just about any pins. The future is looking bright 😎 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #adafruit #raspberrypi #pio
…
continue reading
4645集单集
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