在 ESP32 中，GPIO12 是硬件 SPI 的 MISO MUX引脚, SPI 使用 MUX 引脚可高达 80MHz 频率，其它任意引进仅为 26MHz。 对于LCD串口屏幕来说，需要高频率SPI，以便达到较高帧率。 作为 SPI/I2C 等串口引脚 ...
Generac Power Systems Inc. has purchased a surplus production facility from Quad/Graphics Inc. for $20 million. The 200,000-square-foot building is located at Quad's corporate campus in Sussex, ...
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