There are three questions: Is there any difference between 232 serial port programming and 485 serial port programming under DOS? Can they be used interchangeably? What should I pay attention to when ...
I have installed the SDK, but I can find the path for which arm-linux-gnueabihf-gcc, but I cannot find the path for which arm-arago-linux-gnueabi-gcc. Please help me....
[align=left][font=宋体]Recently, I need to use a 4-channel synchronous sampling ADC[/font][/align][align=left][font=宋体]When selecting, I consider the cost and development difficulty. First, I look for a...
I used an oscilloscope to measure the P1.0 pin and observed the ACLK output. I found that the waveform was not a square wave, and the frequency kept changing from 8HZ to 26K. Could it be that my chip ...
Under WIN2000, I used DS to write a driver with interrupt No. 9 for an ISA card. I used SOFTICE to debug it. In INTOBJ, I saw that interrupt 39 was the interrupt service routine. I used idt 39 but cou...
STC12C5A60S2 is going to use a 32MHz active crystal oscillator. What changes are needed in the crystal oscillator circuit and reset circuit? This is the circuit I drew. The crystal is connected to XTA...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]