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Li Bin said that if you don't have 20 billion, don't make cars; He Xiaopeng said that when he saw others making cars, he thought 10 billion was too much, but now that he has jumped in, he knows that ...[Details]
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The development environment is IAR 1: If the program cannot be downloaded, please consider the following: 1) Make sure the actual circuit connection is correct. 2) The download line of stlink is no...[Details]
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1. Reasons affecting the high output voltage of the switching power supply ⑴ The models with voltage doubler rectification in the transmitter may work in voltage doubler rectification state inco...[Details]
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Jiwei.com reported on February 23 that the highly anticipated MWC21 Shanghai conference officially opened today. This conference is full of highlights. Let’s take a quick look at it. Huawei Mate X2 f...[Details]
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With the further aging of the population, the working-age population is decreasing, and the labor costs in developed countries such as Europe, the United States, Japan and South Korea are risin...[Details]
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A new generation of young consumers has changed their decades-old audio-visual habits. Previously, headphones were only worn when needed. The introduction of true wireless (TWS) earbuds has changed t...[Details]
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Varistor is a resistor device with nonlinear volt-ampere characteristics. It is a protection device. Its English name is "Voltage Dependent Resistor", abbreviated as "VDR", or "Varistor". It is sen...[Details]
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Recently, a reader asked on Zhihu: "The Minister of Digital Development of the Russian Federation said that it will vigorously support the development of domestic RISC-V processors. How to interpre...[Details]
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Introduction Field Programmable Gate Array FPGA (Field Programmable Gate Array) is a field programmable ASIC that combines many advantages such as strong versatility, flexible design, high integrat...[Details]
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1 Main technical indicators of regulated current power supply
(1) Output current range The output voltage of a single-phase AC regulated power supply is usually fixed at 220V. Some p...[Details]
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The development of new energy vehicles is a national strategy, and the next 10 years will be an important strategic opportunity period for the transformation and upgrading of the global automotive ...[Details]
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Many friends will encounter this problem: the microcontroller receives a string of characters sent from the computer serial port, but can only receive the first character, and the others are lost or ...[Details]
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1. Transplantation of wm_redraw.c In my previous note, I talked about how to port ucGUI to STM32 to develop bare-metal programs. In this note, I will analyze the porting and source code of wm_red...[Details]
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The LCD interface of NUC972 contains OSD function. The OSD display effect of the LCD screen is similar to: pressing the menu button on the computer monitor, a small window for adjusting brightness an...[Details]
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Tell me the truth, do you really need an iPhone with dual cameras, 458ppi, 2 million contrast, and OLED display? If not, then XR is more suitable for you. At least in public, most people will not car...[Details]