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In foreign countries, the rangefinder has been maturely used in golf courses. China has gradually filled the gap in this field and independently developed its own golf laser rangefinder and display sy...[Details]
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Recently, a new phone was discovered in the RF certification details released on Xiaomi’s official website. It is named Redmi 8A Pro. Judging from the name, the phone should have a higher configurati...[Details]
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As chip process nodes continue to advance, there are fewer and fewer players. In the field of smartphone flagship chips, which represent the highest level of SoC, only a handful of manufacturers are ...[Details]
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With the steady development of my country's economy, the increase in urbanization rate and per capita disposable income, and the upgrading of consumption concepts, small household appliances, as a sy...[Details]
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移相控制的全桥PWM变换器是最常用的中大功率DC/DC变换电路拓扑形式之一。移相PWM控制方式利用开关管的结电容和高频变压器的漏电感或原边串联电感作为谐振元件,使开关管能进行零电压开通和关断,从而有效地降低了电路的开关损耗和开关噪声,减少了器件开关过程中产生的电磁干扰,为变换器提高开关频率、提高效率、减小尺寸及减轻质量提供了良好的条件。然而,传统的移相全桥变换器的输出整流二极管存在反向恢复过...[Details]
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This paper introduces an embedded design scheme that uses a high-performance 8-bit single-chip microcomputer C8051F120 as the core processor to receive and process the operation information of t...[Details]
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According to Dutch media De Telegraaf, the Dutch government is secretly planning an operation called "Beethoven" to retain ASML, the world's largest wafer fab equipment manufacturer. Amid concerns th...[Details]
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//Serial port initialization //Baud rate is 9600, 8-bit data format, no checksum, one stop bit, send in query mode void SCI_Init(void) { SCI0BDH = 0x00; SCI0BDL = 0x41; //Baud rate = BUSCLK/(...[Details]
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"Micro and small electric vehicles will be another explosive point for BYD." BYD Chairman and President Wang Chuanfu expressed his ambition to enter the micro electric vehicle market in an interview ...[Details]
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On September 15, Unisplendour Cloud Technology Co., Ltd. (hereinafter referred to as Unisplendour Cloud), a subsidiary of Unisplendour Corporation, announced that it had completed a financing of 600 ...[Details]
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Low voltage drop, high efficiency, voltage-regulated adjustable power supply circuit
The circuit is shown in the figure below. It uses a voltage doubler rectifier circuit to provide the operating v...[Details]
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1. Model: 2611B 2. Fault: Error message when starting up, code 5001, 5003, 5051, no output. 3. Analysis, testing and judgment: Error 5001 is a fatal error, and the error content is that the SMU ...[Details]
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With the current recession arguably showing signs of an end, now is a good time to review some of the promising technologies that were killed, shelved, or delayed because of the economic downturn. In...[Details]
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Intel CEO attended the 2023 World Economic Forum and looked forward to how the five "super technological forces" can promote scientific and technological progress. On January 16, the 2023 World Ec...[Details]
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New energy electric vehicles are green, environmentally friendly, zero-emission new energy vehicles that the country has advocated for development in recent years. The drive motor, battery, and con...[Details]