The Real Time Clock (RTC) is a set of counters that measure time. It can continue to run even when the system loses power. The RTC clock in the LPC1768 microcontroller can be a separate 32Khz clock so...
I wrote a program similar to a plug-in for a software in wince. However, when I am operating the software, I don’t want others to see the process, so I hope to implement a function similar to a screen...
Circuit boards are the carriers of electronic circuits. Any circuit design needs to be installed on a circuit board to realize its function. Processing circuit boards is the most headache for amateur ...
It took me several months to make and write the code. Please support me. Using the 51+pdiusbd12 structure, I realized the HID device class and the custom device class. The HID device class has standar...
There are two problems. One is as shown in the figure, the output is this kind of wave, what I want is a square wave. The second is that no matter which pin I use as the output, P4.2 outputs a square ...
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]
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]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[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]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Touchscreen interfaces are a popular technology for industrial and commercial computer systems. Touchscreen technology eliminates the need for a keyboard or traditional mouse, instead enabling simp...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
With the rapid development of the automobile industry, the requirements for automobile control, communication and networking are becoming more and more complex. The new generation of electronic co...[Details]
Mesh network architecture and advantages
The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]
0 Introduction
Electric vehicles are high-tech products that integrate computer technology, communication technology, electronic technology, and new material technology. They have a complex ...[Details]