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In order to initialize the SD card into SPI mode, we need to use three commands: CMD0, ACMD41, CMD55 (CMD55 should be sent before using ACMD commands, CMD55 plays a role in switching to ACMD commands)...[Details]
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With the development of computer, communication, automatic control, microelectronics and other technologies, it has become a reality for electrical equipment to access the Internet. Compared with tra...[Details]
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Today, Xiaomi released a new product, Xiaomi TV Master 82 inches, which uses a 4K ultra-high-definition screen and is priced at 9,999 yuan. Xiaomi TV Master uses an 82-inch 4K ultra-high-definition...[Details]
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On the evening of January 9,
Paslin announced that it had received a "Letter of Intent" signed between its wholly-owned subsidiary Paslin and Magna. The customer will purchase industrial au...[Details]
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After Jobs returned, he significantly innovated the product line and launched many "epoch-making" products. At that time, Apple became "cool" again. Probably from that time on, Apple’s new products...[Details]
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The precautions for using batteries are as follows:
1. Do not replace the charger casually and do not remove the speed limit of the controller.
Chargers from various manufac...[Details]
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Mendix raises the bar for app development again • Mendix 9 extends the benefits of low-code to areas such as data integration, intelligent workflows, mobile development and artificial intelligence...[Details]
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• Ego-motion: describes the motion of the ego vehicle relative to the world coordinate system.
--Provide information reflecting the dynamic condition of the autonomous vehicle to determine man...[Details]
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LED lighting
principle:
China's
LED
industry started in the 1970s. After more than 30 years of development, China's LED industry has initially formed a relatively c...[Details]
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Samsung is gearing up to unveil its next-generation Galaxy S series flagship smartphones, which are expected to be launched sometime in February.
Samsung's high-end model, the Samsung Ga...[Details]
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The commonly used address latch chip 74LS373 and coms' 74hc373 in the single-chip microcomputer system are 8D flip-flops with three-state buffer outputs. The pin diagram, structural schematic diagram,...[Details]
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Portable products are generally powered by batteries . Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. In addition, due to global en...[Details]
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In this paper, a CMOS phase-locked loop (PLL) circuit with a wide frequency range is designed. By improving the current mirror image accuracy of the charge pump circuit and adding a switching noise c...[Details]
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Recently, EV Vision learned from Xiamen King Long United Automotive Industry Co., Ltd. that the launch conference of the Western Autonomous Driving Open Road Test and Demonstration Operation Base w...[Details]
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Last time, I talked about learning UBOOT code, but before reading it, you must first know the programming resources of the target machine. The resources here refer to the resources provided by S3C4...[Details]