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Prospect's story has come to an end. “The giants are shrinking one after another, and financing is becoming increasingly difficult.” When asked about his impression of the autonomous driving indust...[Details]
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Resonators and oscillators are often confused. After some time of comparison, I have sorted them out. We are used to calling them crystal oscillators, but this term is actually very vague. Here, th...[Details]
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1 Introduction Ultrasonic sensors have been widely used due to their high measurement accuracy, fast response and low price. The traditional application method is that one transmitter corresponds to...[Details]
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WIFI wireless communication combined with mobile phone E4A programming, a good learning routine, open source all the codes, such as the ESP8266 wireless network address is directly built into E4A, on...[Details]
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Differential amplifier circuit
1. Zero drift of direct coupled multi-stage amplifier circuit
Coupling method of multi-stage amplifier circuit
In order to obtain a sufficiently high gain or...[Details]
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Accenture is a leading global management consulting and professional services company headquartered in Ireland. Since it was first listed in the Fortune Global 500 in 2016 at 312th place, it has ...[Details]
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Engineers are designing smartphones with longer-lasting batteries, electric cars with hundreds of miles of range , and reliable power grids that can store renewable energy for future use—and all of t...[Details]
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The STM8S system clock setting is very important for the microcontroller. Different clocks must be used for different purposes. For example, when making AVR, the clock used for high-stability se...[Details]
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In recent days, the nuclear leakage accident at the Fukushima Daiichi Nuclear Power Plant in Japan has continued to escalate, triggering global thinking about nuclear power safety. On March 16, the St...[Details]
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A hydrogen fuel cell is a device that generates electricity through a chemical reaction between hydrogen and oxygen (there have also been "hydrogen internal combustion engines" that rely solely on bu...[Details]
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1. Concept and definition of vehicle charger According to the definition of "Electric Vehicle Terminology" (GB/T 19596-2017), a vehicle charger refers to a vehicle that is fixedly installed on the ve...[Details]
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As
LED
lighting, it needs a power supply that can drive small lighting products such as light bulbs and high-power products such as large lighting products such as street lamps. In a...[Details]
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1. Hardware Solution This design uses the STC89C52 microcontroller as the system control chip, and transmits the data processed by the microcontroller to the mobile phone APP through the Bluetooth mo...[Details]
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1 Introduction
Heart disease is one of the major diseases that seriously threaten human health and life. Statistics show that about 60% of heart patients die at home. If these patients can rece...[Details]
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Capacitors are very important in EMC design and are also commonly used filtering components! People are not very clear about the use of capacitors! Here are two key points of capacitor filtering: 1. ...[Details]
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