I want to implement a function that when a person approaches the computer, the infrared receiver is sensed and can automatically open the media player in the computer and play a video. I am a Java web...
[color=rgb(51, 51, 51)][font="]Installation and use of prepaid smart meters[/font][/color] [color=#333333][font="]When installing prepaid smart meters, the installation position should be kept vertica...
I have been struggling with a question these days. Doesn't a digital signal also have voltage? Can ADC sampling be used to determine whether the input signal is a digital 0 or 1?...
Qorvo's RF Fusion 5G chipset wins the 2020 GTI Mobile Innovation Breakthrough Award. This award recognizes Qorvo's breakthrough innovation in 5G chipsets; it pioneered the combination of compact, high...
In a voltage sampling circuit (should detect the voltage level) in the Baigla servo driver, the diode (LL-34 package without label) breaks down and shorts. I don't know what type of diode it is. The c...
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
Different places have accumulated certain experience in equalizing charging of battery packs, but it is difficult to master it properly. Long-term non-equalizing charging or frequent equalizing cha...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
Power over Ethernet
(POE) Overview
POE (Power Over Ethernet) refers to the technology that can provide DC power to some IP-based terminals (such as IP phones, wireless LAN access points ...[Details]
PIC microcontrollers are becoming increasingly popular in China. This article introduces some experiences and techniques in software and hardware design during the development of Microchip PIC seri...[Details]
The progress and development of computer technology and modern communication technology have made Zigbee technology mature. This system has established a mesh network based on the Zigbee2007/PRO proto...[Details]
1. Introduction
Industrial automation technology, mainly characterized by the application of computers in industrial control and management, has made great progress in the past 20 years. S...[Details]