[i=s]This post was last edited by heyidisk on 2016-9-2 11:51[/i] Recently a friend brought me a broken thing and asked me to fix it. It turned out to be an electromagnetic wave radiation tester. The s...
I want to ask if anyone has made a storage cabinet device or knows its control principle. I want to use BeagleBone as the main controller. How can I control the opening and closing of each cabinet doo...
Now I use JLink to debug and download programs under Keil. When I deliver it to customers for trial in the future, how can they use the serial port to download and upgrade the firmware program? Should...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
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Do you have the basic terms of optics memorized? If not, read here.
Correlated Color Temperature: If the color of light emitted by a light source is closest to the color of light radiate...[Details]
Power quality refers to the quality of AC power supplied to the user end through the public power grid. In an ideal state, the public power grid should supply power to users at a constant frequency...[Details]