There was no problem using ssh before, but there was a problem after updating to ubuntu20. I will record the problem now.
All the articles on the Internet say that there is a PermitRootLogin in /etc/s...
Today I started using linphone on the Beaglebone development board. The plan is as follows:
1. Use TI SDK to compile U-Boot and kernel, and successfully start the development board
2. Cross-compile li...
I would like to share with you a document I collected. [color=#000000] Many friends have encountered the situation of using batteries as power supply. This is a DC-DC solution. I hope you can use it. ...
After watching the live broadcast review, if you have any questions, you can post them in the thread and Guanzi will help feedback to Xianji officials for answers.Live broadcast time: 20:00-21:00 on J...
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[Details]
Recently, I received a request to use OK1028A-C to output PWM square wave. However, I found that there was no relevant instructions on the OK1028 platform, so I started writing this article.
A...[Details]
On August 19, Huawei's Executive Director and Chairman of the Device BG, Richard Yu, shared a Weibo post about a conversation he had with a Zunjie S800 owner. The owner had driven over 5,000 kilome...[Details]
Industrial equipment plays a significant role in improving industrial automation and accelerating production efficiency. Industrial HMIs (Human-Machine Interfaces) serve as a communication platform...[Details]
Compared to gasoline-powered vehicles, electric vehicles have a simpler structure, allowing for greater flexibility in the layout of various components. While electric and gasoline-powered vehicles...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]