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We often see different expressions such as ARM7, ARM9, ARM11, and armv6k. And in GCC compilation, we often use -march, -mcpu, etc. What do they mean? Sam himself is not very clear, but he has a vague...[Details]

Many friends who have just come into contact with robots or single-chip microcomputers are often confused by the wide variety of single-chip microcomputers. What are the differences between them? Whic...[Details]

  In the past, LED lamps all used constant voltage power supplies. At that time, we did not understand the performance of LEDs. According to the data given by the manufacturer, each small lamp bead w...[Details]

According to a group of Japanese researchers, lithium-ion batteries can be used in many future applications such as electric vehicles , but their prices are often prohibitive. However, according to f...[Details]

Recently, in order to support the development of the integrated circuit design and software industries, the Ministry of Finance’s official website issued an announcement on the corporate income tax p...[Details]

First, connect the voltage stabilizer input to the distribution board, and install a fuse that meets the power protection rate of this instrument on the user's distribution board to ensure power safe...[Details]

　　PTC thermistor introduction 　　PTC is the abbreviation of Positive Temperature Coefficient, which means positive temperature coefficient, and generally refers to semiconductor materials or component...[Details]

0 Introduction With the continuous progress of the times, people have put forward higher requirements for the safety of their environment, especially in terms of home safety, and have to alway...[Details]

First of all, I would like to state that the stm32 manual is too painful to read. I didn't understand it after reading it for a long time. Later, I read it again based on my practice and finally under...[Details]

      Samsung previously announced that it will release the Galaxy F42 5G mobile phone in India on September 29. The phone will be equipped with the Dimensity 700 chip and other features. 　　Now, ac...[Details]

U.S. e-cigarette giant Juul Labs plans to lay off about 500 employees by the end of the year, according to people familiar with the matter. The troubled company is reversing its previous rapid expans...[Details]

C-V2X can provide early warning of potential danger. EU member states rejected Wi-Fi as the standard for future car-to-car communications yesterday. 21 EU countries voted against a European Commi...[Details]

(Image source: tribuneonlineng.com) According to foreign media reports, Lagos State University ( LASU ) in Nigeria has developed a technical device that can measure the carbon monoxide emission le...[Details]

Whether in image measurement or machine vision applications, camera parameter calibration is a critical link. The accuracy of the calibration results and the stability of the algorithm directly aff...[Details]

GSM is a common VOIP voice codec library, which is implemented in Linux using libgsm. The libgsm library is needed in the project. So try to compile the GSM library directly. The official website h...[Details]