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This is a super cheap charger I bought before the New Year. I bought it because I needed a non-intelligent charger. The workmanship of this charger is quite neat, and the battery clip is also good....[Details]
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1. Before analyzing the startup code, let's talk about the storage structure of STM32: The picture above is from the CORTEX M3 Authoritative Guide The STM32F103RTB6 has 20k of SRAM, starting a...[Details]
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The picture is from Canva 据市场调查机构 Canalys 公布的最新报告显示，2020 年第一季度全球智能手表出货量为 1430 万块，同比增长 12%。其中，苹果依旧稳居第一的位置，而华为则逆势实现同比增长到 113%，市场份额为 14.9%，其智能手表出货量达到了 210 万块，超越三星成为全球第二。 这个成绩对华为而言，应该说是可喜可贺。毕竟，在过去的几...[Details]
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Everyone may know a little about 5G, such as frequency, networking, etc. At present, the frequency bands of the three major operators in my country are mainly based on 3400MHz-3600MHz and 2.6GHz. At ...[Details]
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1. Introduction to CIS Technology Background
It is mainly divided into CCD image sensors and CIS (CMOS) image sensors.
1. CCD is the abbreviation of Charge-Coupled Device.
It is...[Details]
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As Google's own series, the Google Pixel series has used Snapdragon's top processors for the past four generations. However, we have learned long ago that this year's Pixel 5 series will use Qualcomm...[Details]
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On May 20, CCTV's official Weibo account published an article praising Chinese mobile phone brands, which have driven young people around the world crazy. CCTV also cited the example of OnePlus. CCTV...[Details]
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Previously, TD Tech Communications released the Huawei smart phone TD Tech N8 Pro, which is similar to the Huawei nova 8 Pro, but runs on the Android system and supports 5G networks. In additi...[Details]
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It is reported that General Interface Solution (GIS) and TPK, subsidiaries of Taiwan's Hon Hai Group, a Taiwanese touch panel manufacturer, recently announced that they both achieved profits in the s...[Details]
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This paper introduces a method of calling a dynamic link library (DLL) through the Call Library Function Node provided by LabVIEW, completing the driver of a universal data acquisition card and reali...[Details]
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PID is the abbreviation of Proportional, Integral, Derivative.
1. Proportional adjustment function:
It is proportional to the deviation of the system. Once the system has deviation, the p...[Details]
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In many projects, it is found that hardware errors always occur and run to the interrupt function:
/**
* @brief This function handles Hard Fault exception.
* @param None
* @retval None
...[Details]
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The conversion efficiency of solar cells is also reduced because electron-hole pairs recombine before they can be effectively used. Light of appropriate wavelength shines on a semiconductor to genera...[Details]
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The SEP3203 processor is a 16/32-bit RISC microcontroller designed by the National Engineering Research Center for Application-Specific Integrated Circuit Systems of Southeast University, targeting l...[Details]
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The electronic control system is called the brain of new energy vehicles. As one of the three core technologies, it mainly covers the motor control system and battery management system. The electro...[Details]
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