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On February 20, Xingjiyuan, a subsidiary of Chery Group's high-end brand Xingtu, and CATL, a world-leading power battery supplier, jointly announced that the world's first lithium iron phosphate 4C su...[Details]
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The source program pIC07.c is a 2-digit LED digital tube second display based on the PIC16F84A microcontroller. Its display mode is 0 to 99 seconds repeated display. If readers need to conduct expe...[Details]
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Under-voltage reset (hereinafter referred to as BOR) is an important function of microcontroller reliability and is usually used to solve power supply problems. Another issue with under-voltage res...[Details]
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/**************************************************************************** * File：Main.C * Function: Counter, control the addition and subtraction counter through two buttons, and output digital t...[Details]
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The Financial Times website published a report titled "American technology companies are fighting for control of 5G spectrum" on October 21, saying that US President Trump's push for the rapid launch...[Details]
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1.Technology name:
UWB-AOA single anchor digital key and vehicle radar
2. Technical description:
1. UWB digital key UWB-AOA single anchor point positioning ...[Details]
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The long-awaited Apple conference arrived as scheduled. Four models of iPhone 12 were released at the conference. The parameters of the four models, including Pro Max, Pro and mini, were checked on i...[Details]
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@Roland Quandt shared more renderings of the Samsung Galaxy S21 FE, showing the detailed design of the model. Although the device has been exposed many times, Roland Quandt also revealed information ...[Details]
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Nidec's 200kW "E-Axle" drive motor system is adopted in the first model of Geely Auto's high-end electric vehicle brand "Zeekr"
Geely Holding, a well-known Chinese automobile manufac...[Details]
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South Korea is facing a complex balancing act as it finds itself in the middle of an intensifying technology war between the United States and its largest semiconductor chip trading partner, China, t...[Details]
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LED display screen, the system adopts the latest LED technology and control theory, making the full-color LED display screen lower in price, more stable in performance, lower in power consumption, hig...[Details]
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Introduction
MMC (Multimedia Card) is a small, large-capacity, and easy-to-use memory. It is currently widely used in embedded systems such as mobile phones. MMC controls and manages the MMC ca...[Details]
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The three-phase asynchronous motor is one of the motors widely used in various mechanical equipment. Unlike DC motors, it does not require an external power regulator to achieve speed adjustment, a...[Details]
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The circuit is shown in the figure. The power amplifier part of this machine is a typical quasi-complementary push-pull output circuit. BG5 and BG7 are combined into NPN tubes to form the upper ar...[Details]
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随着计算机性能的提高及通信量的聚增，传统局域网已经越来越超出了自身负荷，交换式以太网技术应运而生，大大提高了局域网的性能。网络交换机能显著的增加带宽，可以建立地理位置相对分散的网络。局域网交换机的每个端口可并行、安全、实时传输信息，而且性能稳定、结构灵活、易于安装、便于管理，能很好地满足企业网和电信运营商宽带接入的需求。
1 网络交换机的硬件设计
随着人们对网...[Details]
Embedded System
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