The USB keyboard driver should be selected in menuconfig. My problem is that there is no input in /dev/. I have to manually mkdir /dev/input and then mknod /dev/input/kbd c 13 64. The problem is that ...
Through the experiment, I have some questions about the task scheduling of ucos, and hope to get your advice! The questions are as follows: Two tasks are created: OSTaskCreate( taskLED1, (void *)0, &G...
When debugging a PCI board, the configuration space has been configured, 8-bit local bus, but the LBE0# and LBE1# signals are continuously high and the system crashes as soon as they are read. Please ...
I don't know if I am too narcissistic or the forum is not very active recently, why don't I see anyone clicking on my articles? Or is it because my writing is too ordinary? :Sad: But it would be nice ...
A few days ago, I saw an activity on the EEWORLD forum to apply for TI samples, so I went to check it out and found a sample similar to the product we were going to make, so I logged in to apply. I se...
I will be learning PLC next semester. Does anyone have any video tutorials on this? I need them urgently. If you have any, please leave a message and contact me on QQ. Thank you......
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
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]
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]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[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]
AD7708 is a multi-channel 16-bit Σ-Δ analog-to-digital converter ADC. It supports 4 or 5 channels of true differential input and 8 or 10 channels of pseudo differential input. This chip allows two ...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
0 Introduction
Gyroscope
is a sensitive measuring element of the platform stabilization system. It senses the angular motion signal of the platform and establishes the stability bench...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
An MDO mixed domain oscilloscope has three main elements:
First, time-related cross-domain analysis;
Second, broadband, high time precision modulation domain analysis;
Third, the fiv...[Details]
When developing single-chip microcomputer application systems, assembly language is a commonly used software tool. It can directly operate hardware and has fast execution speed of instructions. Howeve...[Details]
Overview
For chemical fiber production, Q/A air conditioning system is a key factor affecting quality. The intelligent control system is a network system composed of a central management stat...[Details]
Embedded System
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