After the STM32 on the board was burned out once (3.3v and ground were shorted), I replaced it with a new chip and found that the low-level output of IO was pulled up to about 3V. It can be guaranteed...
For my undergraduate thesis, I plan to use CC2541 sensortag to make the following things. Can you guys who are good at technology tell me what I need to learn to complete my work? If there are any rec...
1. Use CCS5.4 to compile TI's 28335, and the following warning is generated: warning: entry-point symbol other than "_c_int00" specified: "code_start" One solution is to ignore it, because the C entry...
[i=s]This post was last edited by tobot on 2021-8-9 23:27[/i]The wireless network is not enabled by default for Mir MYS-8MMQ6-8E2D-180-C. If you connect a mouse and keyboard, you can configure it dire...
AT+CGDCONT=1,"IP","INTERNET" OK AT%CGPCO=1,"PAP,,",1 OK AT$NOSLEEP=1 OK AT$DESTINFO="FTP.NTU.EDU.TW",1,21,1 $DESTINFO: "FTP.NTU.EDU.TW", 1, 21 OK ATD*97# ERROR OK NO CARRIER ATD*97# ERROR OK NO CARRIE...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]