Wavelets and filter banks : https://training.eeworld.com.cn/course/5167Basic concepts of wavelet and filter design. Decomposition and reconstruction process of biorthogonal wavelet filter. Design and ...
[size=3]A novice is learning STM32. After completing the code, he found that the serial port 1 sends and receives normally, but the serial port 2 sends abnormally (the simulation runs in single step, ...
The RISC-V single-board computer used in this trial provides us with 40 pin interfaces, including the SPI interface. WhatI want to share today is how to use SPI to drive the ws2812B colorful lamp bead...
1. Battery voltage detection .
2. Voltage displayed on LCD1602
3. When the voltage is lower than 2.6V, the indicator light flashes.
4. When the voltage is higher than 3.3V, the indicator light flashes...
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]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
With the rapid development of industrialization and urbanization, people's living environment is facing severe challenges due to the environmental damage caused by life and production. As an enviro...[Details]
After more than ten years of technological development and application market cultivation, biometric technology has been applied on a large scale in many application fields. As far as the Chinese m...[Details]
As mobile phones and other portable devices have more functions, there are more potential input and output (I/O) channels for electrostatic discharge (ESD) voltage to enter, including keyboards, bu...[Details]
Fairchild Semiconductor provides the industry's smallest power management solution FAN5902 for 3G mobile phone and wireless data card designers. This RF power DC-DC converter uses a 12-bump 0.5mm p...[Details]
Facing the global financial tsunami, in order to stimulate the economy, the country will invest 2 trillion yuan in railways during the "Eleventh Five-Year Plan". The large-scale construction of rai...[Details]
Today, a new systematic maintenance approach can measure, locate and repair problems in rail and tram tracks in a timely manner. Combining mature railway engineering techniques with advanced techno...[Details]