Happy holidays to everyone. We will give the goldfish meat to eat during the holidays. Soon, these foodies will only have some bones left. {:1_99:} After watching the videos sent by my friends, I deci...
Recent 5G hot topics include: China has begun issuing 5G licenses, Huawei has won 5G contracts in 30 countries around the world, 5G speed can download movies in 2 seconds, etc. As the topic of 5G cont...
Measurement solution: The laser radar is installed in the middle of the silo top and is aimed vertically downward at the center of the material pile for measurement. It is used to detect the material ...
I used multisim to make a driver simulation, but I don't know where the problem is. When the signal generator outputs a square wave, it says there is a problem with the simulation. I have been looking...
01Thereis a high-gain inverting amplifier in the MCS-51 microcontroller. The input of the inverting amplifier is XTAL1 and the output is XTAL2. The oscillator circuit and the clock circuit formed by t...
Due to logistics and the epidemic, the development board has been received for a while. I will continue to evaluate it when I have time. E840-DTU (EC04) is a new generation of high-performance 4G DTU ...
Pragma directives are probably the most complex of all preprocessor directives. They are used to set the state of the compiler or instruct the compiler to perform certain actions. The #pragma direc...[Details]
A few days after Honor was officially "separated" from Huawei on November 17, Ren Zhengfei finally made a statement on the separation of Huawei and Honor, putting an end to the whole incident. ...[Details]
Caviar, a website known for creating luxurious and expensive replacement cases for Apple iPhone models, has announced its latest custom creation, an iPhone 12 Pro customized in the style of th...[Details]
The following example demonstrates the A/D conversion function of the STC89LE516AD/X2 series microcontroller. The clock is 11.0592MHz, and the conversion result is output to the serial...[Details]
The flexible packaging industry generally refers to the packaging materials required by paper, fiber products, plastic thin films, aluminum foil, composite materials and other materials. Plastic flexi...[Details]
At the Xiaomi Mi 10 Youth Edition 5G and MIUI 12 launch event, Lei Jun mentioned on stage that "this year manufacturers like to release three models of mobile phones, including 'medium cup', 'large c...[Details]
Design of Virtual Signal Spectrum Analyzer With the rapid development of computer technology, the application of signal processing technology using software is becoming more and more widespread, ...[Details]
High-speed response differential pulse generation circuit with delay time within 5NS
Function of the circuit
When using a logic IC differential circuit, due to the transmission lag of the IC, ...[Details]
CY (Carry): Used to indicate the carry in addition and the borrow in subtraction. If there is a carry in addition or a borrow in subtraction, the CY position is 1, otherwise it is 0 OV: Indicates w...[Details]
In the previous section, S3C2440 transplantation of uboot: trimming and modifying default parameters trimmed uboot and modified the default parameters. This section starts to make yaffs image and pat...[Details]
After the release of iPhone 11 this year, many netizens said that its design was not as stunning as they had imagined, and was somewhat inconsistent with Apple’s official slogan of “Innovation”. In a...[Details]
Spectrum analyzers are known as oscilloscopes in the RF field, which shows their importance in RF testing. Spectrum analyzers are the epitome of RF testing and can be expanded into power meters, freq...[Details]
Clamp ammeter and multimeter are both necessary equipment for electricians. The two instruments have different functional emphases. Clamp ammeter focuses on measuring high current circuits while mult...[Details]
At the Tencent Global Digital Ecosystem Conference in May this year, Qiu Yuepeng, Vice President of Tencent and President of Tencent Cloud, announced the launch of the smart city solution "WeCity Fut...[Details]
According to foreign media reports, Ford Motor Company has applied for a patent from the U.S. Patent and Trademark Office (USPTO) for an adaptive cruise control system that can be adjusted accordin...[Details]