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Ultrasonic ranging has many characteristics such as rapidity, convenience, simple calculation and high measurement accuracy. Therefore, it is widely used in reversing radar, rangefinder, mobile robot ...[Details]
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On the afternoon of October 29, the Weifang Special Promotion Conference on Green, Low-carbon and High-quality Development was held in Beihai Hall of Weifang Fuhua Hotel. The conference was jointly...[Details]
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system_stm32f10x.c /* PLL configuration: PLLCLK = HSE * 9 = 72 MHz HSE=12M*/ RCC- CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | ...[Details]
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Solution to -/bin/sh: command: not found on mini2440 I transplanted the Linux kernel and file system according to the mini2440 transplantation manual. The difference is that I used the latest cross...[Details]
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1 Overview
MAX1032 is a multi-channel, multi-range, low-power, 14-bit resolution serial output analog-to-digital converter newly launched by Maxim. This device has the advantages of high con...[Details]
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With the continuous development of the four modernizations of automobiles, the global automobile industry is at a critical moment of historic change unseen in a century, and new energy intelligent co...[Details]
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According to foreign media 91Mobiles, Xiaomi's mobile phone brand POCO is about to launch two mobile phones in the X4 series. The phone models have appeared in the IMEI database, which means t...[Details]
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0 Introduction
The invention and use of liquid explosives and combustibles have a long history, but because they are not as powerful as solid explosives, they are not widely used in military a...[Details]
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Introduction
PC plays a core role in the USB topology. Without the participation of PC, USB devices will be useless. However, with the introduction of USB-OTG specification and the output of ...[Details]
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STC89C51/STC89C52 Timer No internal oscillation source, an external crystal oscillator is required Using 11.0592MHz or 22.1184MHz can easily get the standard clock for serial communication. The STC89...[Details]
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Introduction Today, high-performance power systems have come a long way, and designers are using multiple input voltages to drive multiple voltage rails for a wide variety of applications. The ne...[Details]
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This morning, China Unicom’s official Weibo account announced that the first batch of 5G mobile phones have all arrived, including 15 5G mobile phones and 5G CPEs from 12 brands, including well-known...[Details]
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On April 12, Bloomberg's Mark Gurman said in the latest issue of the Power On newsletter that Apple is accelerating the development of the M4 series Apple Silicon chips, which are expected to be eq...[Details]
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Abstract: This paper introduces the new SKHI21/SKHI22 hybrid dual-channel IGBT and MOSFET driver integrated circuit produced by German Siemens AG, and lists its main design features, main parameter...[Details]
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The corresponding pins of LED are GPF4, GPF5, and GPF6. The compiler used is arm-linux-gcc-4.5.1. Includes four files head.S main.c main.lds Makefile. Purpose of the experiment: Reload the lighti...[Details]
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