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General Motors said it would scale back its Maven car-sharing service and would end service in eight cities in the coming months, the Wall Street Journal reported, the latest example of the challenge...[Details]
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For in-vehicle networks, CAN and LIN have existed as basic bus technologies for a long time, but they can no longer meet the load of more functions in in-vehicle networks - on the one hand, the data ...[Details]
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I did a button experiment today. The pin definition of the button in Qingfeng's source code seems to be wrong, and it is inconsistent with the development board schematic. The correct pin definitio...[Details]
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On May 12, Changfei Optical Fiber and Cable Co., Ltd. (hereinafter referred to as "Changfei Optical Fiber") issued an announcement stating that it and its wholly-owned subsidiary Wuhan Ruixin Investm...[Details]
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NavInfo released its annual report, which showed that in 2018, the company achieved total operating revenue of 2.13 billion yuan, a year-on-year decrease of 1.1%; the net profit attributable to share...[Details]
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AU Optronics announced today (9) that its self-billed consolidated revenue for November 2020 was NT$25.95 billion, an increase of 0.9% from the previous month and a significant increase of 22.0% comp...[Details]
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Earlier we introduced a simple universal character device driver. Next, we will implement the GPIO query key function based on it.
Attach the driver code first
1 /****************...[Details]
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Preface This is my first time to use STM8S microcontroller, so I will record it for easy reference in the future. text As one of the standard serial ports of STM8S, Uart2 serial port is used to pro...[Details]
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The application of silicon carbide power devices in the field of new energy vehicles mainly includes the following aspects:
Charging module: As a key advanced electronic material in futu...[Details]
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1 Introduction
Siemens S7-200PLC is widely used in the field of industrial control due to its small size, high reliability, powerful communication functions, etc. The cost-effective free p...[Details]
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Many thermal imaging devices with night vision capabilities can help police, search and rescue personnel and soldiers see their surroundings in complete darkness, bringing great convenience to co...[Details]
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1 Introduction
The DC/DC converter is a highly nonlinear circuit. The electrical parameters of the circuit are uncertain, and the load properties are also variable. The performance of the main ...[Details]
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Production of LED Exposed Luminous Characters
Before making LED luminous characters, let us first understand the production materials of LED luminous characters (LED exposed luminous chara...[Details]
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ARM is 32-bit, and the address space is 2 to the power of 32, 4G address space. All peripherals (FLASH, RAM, SD card, etc.) are mapped to this 4G space. For example, most ARM7s map RAM to 0x400...[Details]
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The frequency converter is an electrical device used to control the speed of an AC motor. It achieves speed control of the motor by changing the frequency and amplitude of the input power. In pract...[Details]
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