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1. Decoupling capacitors
A decoupling capacitor should be configured between the power supply and ground of each integrated circuit, which can filter out the high-frequency noise from the po...[Details]
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Recently I saw some questions about STM32 startup files on the Internet, all of which are similar to this:
Pick two at random,
"What are the differences between the three startup files startup_stm32...[Details]
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Huawei's official Weibo account released a new product pre-launch poster. The theme of the poster is "Youth has its own style", and the picture has many fresh and fashionable elements. A carefu...[Details]
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The big model became popular, first sweeping the field of NLP, and then bringing about the vigorous development of AIGC. The next step is about to bring revolutionary changes to the autonomous drivin...[Details]
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Take the regular channel of STM32 ADC as an example (the injection channel is similar): As shown in the figure above, the regular channel of STM32 ADC can be triggered by any of the above 6 signal...[Details]
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chmod permissions Use the command "man 2 chmod" to learn the chmod function • int chmod(const char *path, mode_t mode); – Parameter *path: file path. – Parameter mode: Just use a number. This is the ...[Details]
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The default network chip of u-boot is CS8900, but the network chip on the development board is DM9000, so in order to use the network function, it must be transplanted. Fortunately, u-boot has the ...[Details]
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1. History of LED 50 years ago, people already knew the basic knowledge that semiconductor materials can generate light. In 1962, Nick Holonyak Jr. of General Electric developed the first practical...[Details]
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1) No-operation delay (12MHz) void delay10us() { _NOP_(); _NOP_(); _NOP_(); _NOP_(); _NOP_(); _NOP_(); }
2) Loop delay (12MHz) Void delay500ms() { unsigned char i,j,k; for(i=15;...[Details]
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Let me say a few words to explain some concepts to those who are confused about operating systems (especially embedded operating systems) like I was before. Because people always ask whether they mus...[Details]
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After the institutional reform of the State Council, the State Council has made major adjustments to the settings and functions of various departments. In order to strengthen the management of stan...[Details]
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(1) There are only two levels in digital circuits: high level and low level High level: 5V or 3.3, depending on the microcontroller power supply. Low level: 0V (2) RS232 level: the level of the compu...[Details]
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The team of Zhongshan Ophthalmology Center of Sun Yat-sen University held a press conference on the 30th and announced that it has joined forces with multiple institutions around the world to jointly...[Details]
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COSEL adds an 800W power supply to its rugged and reliable AEA series for industrial and medical applications in harsh environments 2022-08-30 • Provides 300% peak power within 3000ms • N62477...[Details]
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ARM processors have been developed for many years, with many architectures and many different cores.
The architectures are armv1 v2 v3 v4 v5 v6 v7
There are too many cores, for example, a...[Details]