[i=s] This post was last edited by paulhyde on 2014-9-15 03:54 [/i] I would like to ask all the kind-hearted seniors to help me. I would like to express my gratitude. Thank you...
When using the 51 board to make things, the AD conversion chip used is ICL7135 (double-integral AD conversion chip). I saw some information saying that a counter is used to count the integral stage, a...
The RT-Thread Developer Conference is about to start!An annual event for embedded designers, a chance to exchange views with industry leaders, the conference focuses on the latest and most popular top...
Anyone who has used vxworks6.6 and its development workbench, please share your experience. I will first talk about my own experience. The system startup code of vxworks6.6 is still very different fro...
[i=s]This post was last edited by KK354 on 2017-9-13 20:51[/i] The circuit diagram is as shown in the picture below. NTC+, NTC-, connected to 100K (25 degrees Celsius) NTC, CHARGE PIN connected to the...
[b][font=黑体][font=黑体][size=3]1. [/size][/font] [/font][/b][b][font=黑体][size=3]IC 2003 circuit schematic diagram [/size][/font][/b][font=宋体][b] In the left figure, 1 to 7 are signal input (IN), 10 to 1...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]