Please give me the following three solutions! And please tell me why I get such values. Thank you! ~ What is the result on ARM platform? char a[] = {1,2,3,4,5,6,7,8}; 1, int *p; p = (int *)a; 2, p = (...
[i=s]This post was last edited by JLennon on 2016-5-28 15:26[/i] The chip is ATSAMD20G17A-AU, and it is burned online. In production, large-scale burning still requires clicking the mouse, which affec...
Help: Using modbus card to test UPS communication, the hyperterminal can be established occasionally, but modbusscan32 communication test software cannot be established, and there is no response when ...
What does China's security industry lack the most? Lack of brands; lack of core R&D technology and channel services. The shortcomings of China's security industry have become cash cows in the eyes of ...
TI's 2812 data sheet says that if the core voltage is 1.8V, the frequency is 135M, and if the core voltage is 1.9V, the frequency is 150M.If my core voltage is 1.8V, the external crystal oscillator is...
Embedded systems are the replacement products of computer technology, communication technology, semiconductor technology, microelectronics technology, voice and image data transmission technology, and...[Details]
introduction
At the beginning of this century, Veit used Einthoven's galvanometer to record the electrical activity of the human pregnant uterus from the body surface for the first time. In 19...[Details]
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
The small size and low cost of home appliance control boards mean that high-cost materials will not be used in the circuit to solve the electromagnetic interference problem. The interference of hom...[Details]
In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless commun...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
introduction
Traditional electric actuators are easy to use and save investment, and have been widely used in production process control systems in the fields of electricity, metallurgy, petro...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
Embedded System
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