I bought a pair of ultrasonic heads of the TR40 series. It's strange that when the receiving head is connected to an oscilloscope and there is no transmitting signal, a 50hz sine wave signal can also ...
If your classmates, colleagues, and friends in Changsha haven't contacted you for a long time, please don't blame them. They may have 1. died of heat suddenly, 2. died of cold suddenly, or 3. been blo...
[:P][:P] Abstract: An intelligent charger based on a single-chip microcomputer is designed, and its hardware and software implementation are introduced. The charger can collect and calculate battery ...
Now I want to make a breathing light. The PWM modulation data starts from 0 and changes from the maximum to 0 alternately. This problem is very simple, but when programming, several IFs are used to ju...
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[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]
introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[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]
0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
introduction
The latest embedded designs enable a multitude of complex new products and services across a wide range of industries and applications. Driven by shrinking cost constraints an...[Details]
0 Introduction
μClinux is an operating system for embedded control. It inherits most of the features of the Linux kernel and is designed for embedded microprocessors without a memory manag...[Details]
1 Introduction
With the improvement of people's living standards, people pay more and more attention to their physical health and are eager to find a simple and portable diagnostic and tre...[Details]
introduction
In-Circuit Programming (ICP) is a fast MCU programming method that is widely used. For the 8-bit MCU of Freescale Semiconductor that I use, the speed of in-circuit programming...[Details]
Preface
Today, automotive electronic devices account for a large proportion of the entire vehicle. Although these electronic modules bring comfort and safety to car users, at the same time...[Details]
DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]
Video signal interference generation
1. Interference from front-end power supply: variable frequency motor of elevator, high-power motor of factory, substation, etc.
2. Interference i...[Details]
For RF and microwave systems, spectrum analysis is a basic test item. But in the past, engineers had to carry dozens of kilograms of spectrum analyzers when conducting field tests on wireless commu...[Details]
With the release of Xilinx® ISE® Design Suite 11.1, Xilinx has taken a big step forward in optimizing design methodologies, better meeting the diverse needs of customers with different skill sets, ...[Details]
Embedded System
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