For the electrical fast pulse group test on products powered by 24V power supply, the national standard does not clearly state the test standard. What should the test standard be? Can it be done with ...
[i=s]This post was last edited by dontium on 2015-1-23 11:39[/i]SPI is an important communication interface in microprocessors, just like I2C, but it is not easy to master. By studying "Data Bus-SPI",...
I often encounter such a problem when recording videos recently, that is, if I want to zoom in on the subject during recording, I need to slide the phone screen with my hand, and the phone will shake ...
littleshrimpST Sensors & Low Power Wireless Technology Forum
The main purpose of applying for the development board is to learn CAN bus and TCP/IP. After a few days of study, I would like to share with you what I have learned in the past few days. It is relativ...
One of our company's products uses resistor RC0402FR-0771K5L (RC-L series thick film resistor - SMD 71.5K OHM 1% R0402). Recently, we found a short circuit in one of them, but we don't know if it is d...
The U.S. Food and Drug Administration (FDA) points out that home health care is the fastest growing area in the medical device industry. Driven by the increase in average life expectancy, the increasi...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Ultrasound systems are among the most sophisticated and complex signal processing instruments in widespread use today. Like any complex instrument, there are many trade-offs to be made in implement...[Details]
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
1 Introduction
With the rise of my country's automobile industry, the demand for related in-vehicle electronic products is growing, and has become a research and development hotspot in the...[Details]
Femtocell base stations are required to meet stringent requirements in terms of interference, compatibility testing between mobile devices and networks (such as ad hoc networks, handovers), and mee...[Details]
The four-element infrared detector uses photosensitive elements, and the alarm is triggered only when each detector detects a signal. It has stronger anti-false alarm capability and better detectio...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
With the increasing application of various nonlinear loads, reactive power and harmonic pollution in the power grid have become a very serious problem. In order to eliminate the pollution caused by...[Details]