[font=宋体][size=4] When debugging lan8720 hardware, you need to check whether the ground pad is cold soldered, whether the internal voltage regulator 1.2V has output, and whether it has output 50M freq...
Recently, the "3rd China Changchun International Auto Parts Exhibition and Fair" closed in Changchun. As an important part of the exhibition, the first China-Europe Auto Parts Fair was also successful...
Implementation Plan for the Promotion and Application of Tax Control Cash Registers in Guizhou ProvinceIssuing agency: General Office of the People's Government of Guizhou ProvinceIssuing date: 2006-1...
I used STM32 to write a matrix keyboard program. It was originally a query method, but now it has been changed to a timer method.Schematic diagram:void KEY_Init(void){GPIO_InitTypeDef GPIO_InitStructu...
1. Interrupt nesting, the control bit of the priority430 general interrupt is the GIE bit in the status register (this bit is in the SR register). When this bit is in the reset state, all maskable int...
[size=4]1. Not familiar with the internal structure of FPGA and the basic principles of programmable logic devices. Why is FPGA programmable? I am afraid that many novices do not know, and they do not...
Minimizing the output ripple and transients of a switching regulator is important, especially when powering noise-sensitive devices such as high-resolution ADCs, where the output ripple will appe...[Details]
As the pioneer of global lighting tools, incandescent lamps are gradually being replaced by the new generation of lighting tools, light-emitting diodes (LEDs), and are gradually fading out of peop...[Details]
Since last year, the attitude of investment institutions towards autonomous driving has been quietly changing: it is currently at a point where attitudes have changed from full support to divergence....[Details]
Traditional voltmeters play a unique role in our daily life and scientific research, but they seem to be outdated today when science and technology are changing with each passing day and inte...[Details]
Things to note when using a megometer for testing are: 1. Before testing, the equipment under test must be cut off and short-circuited to ground for 2 to 3 minutes. It is never allowed to use a megge...[Details]
Thyristor is a new type of semiconductor device, which has the advantages of small size, light weight, high efficiency, long life, fast action and easy use. At present, most AC voltage regulators u...[Details]
Recently, the 3GPP 5G Release 17 (Rel-17) standard-setting work was successfully completed, and the first phase of 5G evolution ended. As an innovation leader in the mobile communications industry, Q...[Details]
With the advancement of power system reform, the scale of market-based electricity transactions in the country continues to expand.
The China Electricity Council recently released the national...[Details]
Reset the AVR At reset, all I/O registers are set to their initial values and the program starts executing from the reset vector. The instruction at the reset vector must be an absolute jump JMP in...[Details]
How to DIY a high-power white light LED driver
This article mainly introduces some basic information of high-power LEDs.
LED's advantages over other light sources are main...[Details]
In recent years, my country's photovoltaic industry has experienced a slow-fast-explosive development process. The scale of the industry has continued to expand. Whether in core technol...[Details]
The Android 11 Manufacturer Test Suite, updated last year, revealed that mobile devices pre-installed with Android 11 and higher versions must support so-called "seamless" updates. Specifically, this...[Details]
With the continuous development of optical fiber sensing technology, single crystal optical fiber is one of the most suitable optical waveguide materials in high temperature environment. Its maximu...[Details]
Introduction I recently used stm8s003k3 to develop a project and used the ADC module. I would like to record some notes and share my experience. Software environment: STVD+COSMIC Hardware environment...[Details]
Setting the origin position signal for the ABB robot is an important step, which can help the robot accurately locate and perform tasks.
Understand the importance of the origin position s...[Details]
stm32/stm8
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