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The advent of the automotive infotainment system (see Figure 1) marks the end of the days of simple car radios, such as the dashboard of a Mercedes in Figure 2. The venerable AM/FM radio still has ...[Details]
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According to foreign media reports, Apple removed the "ratings and reviews" function on its official website on November 17, and this modification affects all products. It is not clear why Apple did ...[Details]
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On September 5, 2020, the third "China Artificial Intelligence Security Summit" will be strongly restarted in Hangzhou. (Originally planned to open on June 20, but postponed due to the epidemic) The...[Details]
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Introduction Smart home network is another high-tech product brought to people by the information age. With the help of existing computer network technology, it connects various home appliances and ...[Details]
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Since the 1 billion bet between Dong Mingzhu and Lei Jun, Gree has begun to enter the mobile phone field. Although its market performance is not impressive, it has insisted on launching several gener...[Details]
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With the continuous expansion of photovoltaic + energy storage applications, photovoltaic inverters and energy storage inverters, as one of the core devices of photovoltaic po...[Details]
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Imagine that you own a supercar and you can drive it to a local supercar party or travel with it on weekends, but you can't get the best performance out of it. But you don't have time to take high-pe...[Details]
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Over the past decade, Japanese electronics companies have undergone major restructuring, launching businesses with little profit or losses, especially traditional home appliance businesses, which hav...[Details]
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In a previous article we discussed how to use two different techniques for phase demodulation to extract phase noise information from a waveform acquired by a real-time oscilloscope. In this article ...[Details]
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Recently, the China Chemical and Physical Power Sources Association (hereinafter referred to as CIAPS) and TUV SUD Group (hereinafter referred to as TUV SUD) announced the safety evaluation and com...[Details]
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Oscilloscopes are commonly used tools. How to use them correctly in power supply development? Here is a summary. Please correct me if I find any mistakes. Some pictures are quoted from the Internet. ...[Details]
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This article focuses on some mistakes you can easily avoid when using a power supply error amplifier, mainly including miscalculating the error amplifier's gain, making the amplifier do something beyo...[Details]
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The download address of the header file 12c5a.h used in this program: http://www.51hei.com/f/12c5a.rar
#include"12c5a.h" //STC12C5A series MCU header file
#include"intrins.h"
/*********************...[Details]
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Ceramic filters are divided into two categories according to their amplitude-frequency characteristics: band-stop filters (also known as notch filters) and band-pass filters (also known as filters)...[Details]
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Last time I looked at the data area, this time I want to see what is running when jumping from the boot to here.
/*
* The reset code that is actually running. The code that runs from the be...[Details]
Analog electronics
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