Yesterday CDK was closed normally, but today when I open CDK, it has no response, and restarting the computer does not work. I am currently using: Win10Open the log to view:Click Close to view the log...
Hello everyone: I am using MC52I module now. After configuring the dialing, after ATD*99#, there is no data in the serial port, and NO carrier appears after a while. But when I send ATD*99# directly t...
ls /dev/ttyS*[/color][/font][color=#4f4f4f][font=-apple-system, "]The development board is connected to serial port ttyS2[/font][/color] Execute: [font=-apple-system, SF UI Text, Arial, PingFang SC, H...
[i=s]This post was last edited by maychang on 2016-3-19 08:59[/i] 1. The difference between the neutral wire and the ground wire The neutral wire is grounded at the power supply end (power plant, subs...
Hello, everyone:I have a question for you: I am developing in C language in DSPc2000. There are 7 cases in my switch statement. After compiling, I loaded it into DSP. When I used MIX mode to view it, ...
I am a 51 MCU beginner . After writing a program with Keil , I need to solve the following problems when debugging: 1. Some lines in the program can only be broken if there is a gray line in front of ...
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]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[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]
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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[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]