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On January 18, Black Sesame Intelligence, the global leader in autonomous driving computing chips, announced that it will work with BlackBerry QNX to build a highly reliable, high-performance, flexib...[Details]

1. Introduction The inverter is the core part of the AC uninterruptible power supply (UPS) and AC variable frequency speed regulation system. It can independently form a system to become a variable f...[Details]

　　The figure below is a 5V/1A uninterruptible DC regulated power supply circuit. When the 5V main power supply is powered off, the circuit can still provide 5V/1A power within 80 minutes. MAX709 is a...[Details]

Wireless power transmission, especially for battery charging, is a growing market trend in portable electronic devices and electric vehicles. Nikola Tesla first proposed the concept of wireless power...[Details]

Under our country's dynamic zero-clearing epidemic prevention policy, the situation in this round of epidemic has improved in many cities and regions except Shanghai. However, the long-term lockdown ...[Details]

EPS (Electric Power Steering), which was developed based on the energy conservation and emission reduction of automobiles and is widely used, has made new breakthroughs again. As the demand for spa...[Details]

In the brushless DC motor control system, DSP is usually used to collect and process signals. However, due to the high price of DSP, in some occasions where real-time requirements are not high, MCS...[Details]

1. The running water lamp We use an experimental phenomenon to understand the interrupt function again. In the main function, we make the eight lights flow rapidly left and right continuously. At...[Details]

During work, I found that many electrician friends are not clear about the working principle of single-phase capacitor motors. Today I will analyze it for you. We know that the power supply has thr...[Details]

1) C is taboo against absolute positioning. I often see beginners asking to use _at_. This is a fallacy, treating C as ASM. In C, variable positioning is the job of the compiler. As long as beginners...[Details]

Before judging whether the inverter is good or bad, remove the power input line and load output line. It only takes 15 seconds to judge whether the inverter is good or bad. 1. First, set...[Details]

Recently, the National Ecological and Environmental Protection Conference was held in Beijing. The conference emphasized the need to actively and steadily promote carbon peak and carbon neutrality ...[Details]

Active noise reduction is a noise reduction technology that generates reverse sound waves equal to the external noise through the noise reduction system to neutralize the noise, thereby achieving t...[Details]

When ordinary people buy a laptop, they can only weigh the brand, appearance, configuration, after-sales service and other aspects to choose a laptop they like. They have no way to go deep into th...[Details]

Intelligence and lightweight have become the development direction of the future automobile industry, and advanced automotive materials have become an important part of it and a hot topic of concer...[Details]