The clock frequency is 1MHZ, and three output pulses are required, firen1, firen2, and firen3, with a period of 20ms and a duty cycle of 1:2. Firen2 is delayed by 30° relative to firen, and firen3 is ...
Wu Ruida focuses on training high-end 3G embedded software engineers with high salary and in short supply in the market. Welcome to communicate with our 703 students! This batch of students graduated ...
Hello everyone, I have a problem now. I use the same PPP protocol stack, and TCP and UDP can be transmitted normally when using GPRS to surf the Internet. However, when using a wired modem and a CDMA ...
[i=s] This post was last edited by dontium on 2015-1-23 11:08 [/i] [font=微软雅黑][size=4] Using the LM6144BIM high-speed op amp, a forward amplifier circuit is formed. As a result, the positive input and...
Here is a MCU power supply circuit of a discrete device that has been circulated on the Internet. The schematic diagram of the circuit is shown below:Simplified circuit of the switch circuitBefore the...
I have been working on it for several days but still failed. My nfs server (host) and development board can ping each other, and the ftp service can also be successful. Here are some of my files! cat ...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]