0690081127

The Global Positioning System (GPS) is a non-autonomous navigation and positioning system based on receiving navigation satellite signals. It was developed by the United States in the 1970s and ful...[Details]

Recently, Jufei Optoelectronics released its performance report stating that in 2021, the company achieved operating income of 2.371 billion yuan, a year-on-year increase of 0.86%; net profit attribu...[Details]

On April 25, the 2024 Beijing International Automotive Exhibition (hereinafter referred to as the "Beijing Auto Show") opened. Intelligence is one of the most widely discussed topics at this auto s...[Details]

Half a year has passed unknowingly, and I have been helping the teacher on this project in the laboratory for a long time. From not knowing much about this project in the beginning, I have begun to h...[Details]

According to foreign media reports, after a long legislative process, the EU Batteries Regulation has been published in the Official Journal of the EU. The EU battery regulations were announced on Ju...[Details]

As of October 12, Beijing time, the market value shows that the current share price of Midea Group is 73.39 yuan, with a total market value of 515.42 billion yuan, while the share price of Gree Elect...[Details]

Introduction: Israeli battery technology company Addionics announced that it has raised $27 million in Series A financing. Addionics plans to use the funds to advance its technology. The round was ...[Details]

This article will introduce a marquee experiment based on 8051 microcontroller, and realize the LED running light effect by writing assembly code. This experiment will use the P2 port of 8051 mic...[Details]

For the PWM speed-regulated DC motor drive circuit, the main performance indicators are as follows: 1) Output current and voltage range, which determines how much power the circuit can drive t...[Details]

With the renewal of Volkswagen's brand logo in 2019, it also marks the arrival of a new era of brand design for Volkswagen. Now, Volkswagen is also aware of the changes in the market and adapting to ...[Details]

The sampling point is the location where the receiving node judges the signal logic. The sampling point is extremely important for the CAN bus, especially when networking. Multiple nodes try to maint...[Details]

0 Introduction At present, the communication, monitoring and data acquisition system of the power system adopts a distributed communication structure. With the application of new equipment and new te...[Details]

　　 Working principle: Transistors VT1 and VT2 form a complementary self-excited multivibrator, and the oscillation feedback network is composed of capacitor C. The base bias circuit of VT1 is compose...[Details]

Today, Amazon Web Services (AWS) announced new Amazon EC2 instances powered by custom 4th generation Intel® Xeon® Scalable processors . This announcement is the latest in a growing number of instance...[Details]

Ultrasonic rangefinders are widely used in car reversing, construction sites and some industrial sites. Its measurement range is 0.10~4.0 m, and the measurement accuracy can be as high as about 1 c...[Details]