[i=s]This post was last edited by ou513 on 2015-12-3 09:30[/i] Early in the morning, the SF Express courier called me and said there was a package. I thought, the cheap things I bought on Double 11 ha...
Through system A, control system B. System A is composed of single-chip microcomputer and analog circuit, and system B is 400V DC. Design requirements: The on-off rate of system A controlling system B...
I bought "Advanced Programming in UNIX Environment" and am studying it. The program is as follows:Run it as follows:The a.out file exists, why does it say that it does not exist? Thank you...
This is a BUCK type switching power supply. 15 and 16 use the error amplifier to achieve overload protection and limit the current. Is the current limit here the same as the output current limit? How ...
I have two simple questions for you: 1. I have a cylinder. The manual says that the built-in sensor outputs 12V A/B phase signal (open collector output), but the existing decoder receives 5V or 24V A/...
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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]