Let's talk about "fake" today
Have you ever wondered: the circuit cannot be debugged, "I may have bought a fake chip"?
Do you have any doubts: Is it a problem with your circuit design or debugging?
Ha...
Since I took the sleeper train from Beijing to my hometown on January 18th, I have only been out 4 times (once to go shopping for New Year clothes, and the remaining three times to take my children to...
On the evening of June 2nd, Beijing time, Huawei officially released HarmonyOS 2 and a number of new products equipped with HarmonyOS 2.
This also means that "mobile phones equipped with HarmonyOS" ha...
Domestic semiconductor manufacturers have not yet shared their presentation PPTs. The demos presented are not very innovative.
The most important thing is that lunch is not included. Instead, we were ...
In order to facilitate human-computer interaction and display information, a self-made 128*64LCD dot matrix screen is added to the GD32307E-START development board to facilitate subsequent advanced de...
[i=s]This post was last edited by babyking on 2018-11-30 16:51[/i] [color=#333333][font=微软雅黑][size=18px]Today I got a Corethink development board, model SIN-A33, which uses Allwinner's A33 chip. Unlik...
The development of the LED
industry has put forward more requirements for LED testing equipment, making the research and development of testing equipment present the following trends:
...[Details]
Conditional jump instructions:
The instruction name, mnemonics, instruction codes, and program steps are as follows:
Program steps can be executed continuously or in pulses. CJ exec...[Details]
The B or BL instruction causes the processor to jump to "subroutine name" and begin execution. The difference between the two is that the BL instruction jumps to the subroutine.
Before the program is...[Details]
1. Compiler optimization issues If the defined local variables are not used later, they will be optimized by the compiler, such as: { u32 va = 100; va = 200; //Put breakpoints at som...[Details]
For example, in a typical 100 W incandescent lamp, about 95 W of the electrical energy is converted into heat, and the remaining 5 W is converted into light. Therefore, many countries in the world ...[Details]
The drive circuit composed of discrete components is also commonly used now because it is cheap, the components are common, and it is easy to debug. Self-excited drive circuit:
...[Details]
LED digital tube is a commonly used display device in the peripheral interface device of single-chip microcomputer. There are two types of display devices, seven-segment tube and Mi tube. The seven-s...[Details]
DSP (Digital Signal Processor) is a unique microprocessor that processes large amounts of information using digital signals. Its powerful data processing capabilities and high operating speed are two...[Details]
Hello everyone, through the previous study, we have learned and become familiar with the use and learning methods of ICD2 simulation burner and enhanced PIC experiment board, and learned how to use s...[Details]
The design uses a multivibrator circuit as the driving circuit of the infrared transmitter to drive the infrared transmitting tube to emit infrared rays into the defense area. The receiving end uses ...[Details]
Principle:
The key to this project is that FSK is a continuous phase, and the frequency of the high level and the low level are not multiples (1200Hz and 2200Hz). It is not easy to determine th...[Details]
GM's electric vehicle platform that can support autonomous driving and pure electric Picard. A few days ago, GM held a GM Investor Day meeting in New York. The entire introduction material covered el...[Details]
MOUNTAIN VIEW, Calif. and MUMBAI, India – News Direct – April 25, 2022 – CleverTap, the world’s leading customer retention cloud service provider, announces the appointment of Anand Venkatraman as Ch...[Details]
0 Introduction With the improvement of environmental protection requirements, most large-scale thermal power plants in China have launched flue gas desulfurization projects. In wet flue gas desulfuri...[Details]
Using Acoustic Emission Technology to Diagnose Truck Wheel Bearing Faults
Acoustic emission (AE) technology was used to collect and process the fault information of rolling bearings of 352226X2-2Z ...[Details]
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