CFR200JR-73-82R

       Sina Finance News: From September 6 to 7, the China Development Forum seminar "Trade, Openness and Shared Prosperity" was held at the Diaoyutai State Guesthouse in Beijing. Wei Shaojun, direct...[Details]

Application of North China Industrial Control Network Security Products in Network Security Management and Auditing System Overview: In the information age, the Internet is becoming more and more...[Details]

Facial recognition and other advanced biometric technologies are becoming increasingly popular in mobile devices and laptops, gradually replacing passwords and fingerprint authentication. OmniVision ...[Details]

I am SUNNY! After more than a year of study, I have mastered a lot of microcontroller programming skills, such as C language embedded in assembly. As the saying goes, practice makes perfect! It is tru...[Details]

The following focuses on analyzing several DM9000 receiving and sending packets and interrupt functions. /*  * Hardware start transmission.  * Send a packet to media from the upper layer.  */ stati...[Details]

Intense competition in China led to a 10% drop in inverter prices in the first quarter. According to market research group IHS, central inverter prices ranged between RMB 0.20 and 0.28 per watt (...[Details]

For the serial port output, 210 is the following garbled code according to the previous operation. The first thing that comes to mind is probably the baud rate problem, which is a c...[Details]

The choice of LED has determined more than 50% of the quality of the entire display. If the LED is not selected well, no matter how good the other components of the display are, they cannot make up fo...[Details]

　   Abstract: A few years ago, in the process of video surveillance networking, analog dome cameras were gradually transformed into standard-definition network dome cameras. However, due to the limite...[Details]

In high-frequency PCB boards, one of the most important types of interference is power supply noise. Through a systematic analysis of the characteristics and causes of power supply noise on high-...[Details]

We may design multiple audio power amplifiers to one output circuit to multiplex different sources or to connect an external amplifier to extend battery life. We may also accidentally conne...[Details]

    This paper describes the causes and hazards of residual current, designs a set of intelligent leakage circuit breakers, and gives the hardware structure and software design. The test results show...[Details]

#define SS 0 #define SCK 1 #define MOSI 2 #define MISO 3 #define SS_H() PORTB|=(1 SS) #define SS_L() PORTB&=~(1 SS) //Be careful not to miss () #define led0_en() {DDRB|=1 4;PORTB|=(1 4);} //Open the ...[Details]

On August 9, Sunwanda announced through its official WeChat public account that in order to further deepen the company's global strategic layout, better explore the international market, and serve in...[Details]

       German patent data company IPlytics released a report on "Survey of 5G Standard Patent Declarations". The report shows that as of January 1, 2020, there were 21,571 5G standard patent declarat...[Details]