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In data center equipment, it is very common to use pluggable optical modules to achieve external high-speed signal connections. However, as data rates increase, electrical losses also increase, red...[Details]
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While learning Linux driver programming, I learned about blocking IO reading and writing, and the waiting queue operation was quite interesting. I analyzed it and found some of the codes quite interes...[Details]
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The Sichuan Qinghai Geophysical Exploration Mountain Team 3, which is working in the Kedong Fault Tectonic Zone of the Tarim Basin, has "slimmed down" the solar energy system widely used by field t...[Details]
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1. Generation and description of three-phase alternating current
1. Generation of three-phase symmetrical AC electromotive force
Compared with single-phase AC circuit, three-phase AC circ...[Details]
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Lei Jun shared a short video about Xiaomi's full set of smart home on TikTok, which received 926,000 likes and 87,000 comments in a short period of time. Obviously, the public's attention to smart ho...[Details]
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First describe the problem: When a key is detected, the PA.0 led flashes. The function cannot be written in the interrupt service program. I want to change the value of the variable biaozhi (0 to 1...[Details]
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Brushless DC Motor Control System
Brushless DC motor (BLDC) is also known as electronic commutation motor. Compared with traditional brushed motor, its internal rotor is changed from wire wind...[Details]
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Radio disturbance characteristics test of switching power supply and uninterruptible power supply
Abstract: Commercial switching power supplies and uninterruptible power supplies are among the f...[Details]
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Abstract: Based on the introduction of narrowband power line communication network, a repeater design based on ZigBee is proposed. The repeater uses ZigBee as the physical layer of the repeater of ...[Details]
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Whether it is a notch screen or a punch-hole screen, even if the screen-to-body ratio is over 95%, such a design always leaves regrets. A 100% full-screen mobile phone must either have a lifti...[Details]
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Car power consumption refers to the phenomenon of battery power loss when the engine and electrical equipment in the car are turned off, the doors are locked, and the driver does not use the vehicl...[Details]
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Wireless personal computer equipment and its peripherals have always been an industry trend. With the advancement of technology, wireless devices such as wireless mouse, wireless keyboard, and wireles...[Details]
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Apple today released a new version of the second beta of iOS and iPadOS 15 to developers. The new software comes a week after Apple released the first beta. Registered developers can download profi...[Details]
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The program memory of the MCS-51 microcontroller is used to store the compiled programs and table constants. The 8051 has a 4 KB ROM, the 8751 has a 4 KB EPROM, and the 8031 has no program memory. ...[Details]
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In today's automotive safety protection technology, active safety has gradually surpassed passive safety, and major manufacturers are also thinking about how to continuously improve active safety...[Details]