I have a digital ammeter. It had a problem three months ago. The situation is as follows: AC 220V power supply. Some of the main chips are as follows: ICL7650S chopper-stabilized high-precision operat...
[align=left] [font=宋体]The author is a graduate of Xidiantong Institute in 2013. Based on the job search this year and the summary of classmates around him, the salary of major companies is summarized ...
RT, when I was chatting with an agent yesterday, he said that some CM3 models are not subject to the 100-times limit on flash read and write. Is this true?...
Basic knowledge of inverterFrequency Converter Basics 1 VVVF ?? Abbreviation for Variable Voltage and Variable Frequency. ?? 2 CVCF ?? Abbreviation for Constant Voltage and Constant Frequency?? The vo...
I would like to ask what these peripheral devices and communication interfaces are used for. I hope there can be a more specific explanation.I’ve been searching online for a long time, but I haven’t s...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:52[/i] Basic requirements: 1) Realize the acquisition, storage and display of multiple temperature signals by the MCU 2) Realize the dual-mac...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
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]
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]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]