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...
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...
1. IntroductionUsing MixPY and MixNO development board hardware and MixPY software platform, we will give full play to the computing power of AI K210 chip, introduce the concept of machine vision, sta...
[i=s]This post was last edited by Niubility-a on 2018-12-17 11:55[/i] [align=left]Android system architecture[/align][align=left]Android system architecture is the architecture of the Android system. ...
Looking at the new cars nowadays, in addition to reliable quality and usable space, luxury and technology have become other potential factors that attract consumers. Previously, consumers loved the c...[Details]
Early chargers used single-phase mains rectification and then a buck circuit to step down the output, so when charging a 492V battery pack, two charger units need to work in series. This charger st...[Details]
There are many advantages to using STM32F103 as a microcontroller. The STM32F series belongs to the medium-capacity enhanced type. It is a 32-bit microcontroller based on the ARM core with 64 or 12...[Details]
(1) In the main() function: int BeeTime=0; int soundSta=0; void main() { TIM2_Init(); soundBee(1); //One long beep soundBee(0); //short beep } void TIM2_Init() { TIM_TimeBaseInitTypeD...[Details]
Ambarella launches AI domain controller CV3 series SoC, a single chip can achieve ADAS and L4 autonomous driving
The CV3 series of automotive-specific SoCs use a 5nm ultra-low-power proc...[Details]
ROHM has released a compact, high-output surface-mounted aspherical lens LED component for use in digital cameras and mobile phones for autofocus auxiliary lighting. Through ROHM's unique component p...[Details]
Recently, the international data research organization IDC released the latest global wearable market report for 2019. In 2019, Xiaomi became the number one wearable device brand in China and the sec...[Details]
Recently, the Shanxi Energy Supervision Office of the National Energy Administration officially issued the "Implementation Rules for the Grid-connected Operation and Management of Independent Energ...[Details]
1 Introduction In actual radio and television transmission work, the entry test of new transmitters and the daily indicator test of transmitters all involve audio testing. The audio spectrum analyzer...[Details]
(I) Reasons for inaccurate grounding resistance detection or unstable or even negative indication. Because the grounding resistance tester is composed of many precise electronic components and has a r...[Details]
//Familiar with using microcontrollers for infrared remote control decoding //1. First, decode according to the coding format of BA5104 remote control IC //2. Use LED to indicate the decoded keys //*...[Details]
Foshan, September 13, 2023 /PRNewswire/ -- On September 12, the American Photovoltaic Energy Storage Exhibition (RE+) organized by the Smart Electric Power Alliance (SEPA) and the Solar Energy Indu...[Details]
Although the basic LED driver designed for general lighting applications is relatively simple, the design becomes very complex when additional features such as phase cut dimming and power factor co...[Details]
Intersil's ISL94203EVAL1Z is a kit that facilitates testing of the ISL94203 Li-ion battery pack monitoring and control IC. The ISL94203 monitors cell voltage, current and temperature. It converts c...[Details]
introduction
When a circuit board is inserted into a powered backplane, large transient currents are drawn from the backplane power bus due to charging of the bypass capacitors on the boa...[Details]