2019 is almost halfway through, and tomorrow will be the time for many students to become famous. Looking back on my senior year of high school, I was both excited and nervous. I was excited because I...
Longmen Grottoes are located in the Yique Gorge, 6 kilometers south of Luoyang City. Because it is located in the south of the capital, the ancient emperors called themselves "the true dragon emperor"...
PrefaceAfterthe release of Bluetooth 5 protocol, Nordic took the lead in launching the chip nrf52840 that supports ble5.0 protocol. The powerful configuration is simply outrageous for me who has used ...
I browsed around on Taobao but couldn't find it. The input is a 5V USB plug, and the output is 2 wires (or terminals) of 1.5V. It's not hard to make it yourself, but I don't want to work hard....
Many engineers have started to replace domestic chips in the past two years or even earlier.
More and more domestic chip brands are known by engineers
Engineers are also constantly exploring reliable ...
There are currently two types of steam flow meters used in the domestic market, one is electronic and the other is mechanical. Mechanical products are obsolete products with poor accuracy and low tem...[Details]
Because torque motors are widely used in the wire and cable industry, related derivatives of torque motors, such as torque motor controllers, have also become popular. Today, let's talk about some ...[Details]
Multimeters have a wide range of uses. Here we take the popular digital meter and pointer meter as examples to introduce their use and precautions for reference by electronics beginners. 1. Gen...[Details]
Recently, the project results of "Ka-band CMOS phased array chip and large-scale integrated array antenna technology" led by Professor You Xiaohu and Professor Zhao Dixuan from the School of Informat...[Details]
What is AVR microcontroller AVR microcontroller is an enhanced RISC (Reduced Instruction Set CPU) high-speed 8-bit microcontroller with built-in Flash developed by ATMEL in 1997. It can be widely...[Details]
The frequency converter is an electric energy control device that uses the on-off function of power semiconductor devices to convert industrial frequency power into another frequency. With the rapid ...[Details]
Many engineers often find such a problem: they did not find any abnormalities in the debugging process of the circuit board they made, but found various problems or failures soon after using it. The ...[Details]
The 2023 SIA Shanghai International Smart Factory Exhibition concluded successfully on July 28 at the National Convention and Exhibition Center. Heilind Electronics (hereinafter referred to as "Heili...[Details]
As industrial and embedded computing requirements for communication distance, low power consumption, and small configurations increase, higher communication bandwidth is also required.
Specif...[Details]
1. Independent keyboard detection 1. Key detection principle The I/O port of the microcontroller can be used as both output and input. The input function is used to detect the key. One end of the key...[Details]
On April 24, CSG A released its 2021 annual report stating that the company achieved operating income of 13.629 billion yuan in 2021, a year-on-year increase of 27.72%; net profit attributable to sha...[Details]
The difference between explosion-proof motors and ordinary motors
1. The explosion-proof motor adopts brushless excitation, and is equipped with a rotating rectifier disk and a static excitati...[Details]
Everything You Need to Know About Stepper Motors
The power of high-reliability stepper motors
Stepper motors are often mistaken as the lesser motors in servo motors, but in fact, th...[Details]
With the development of economy and technology, the security methods of rooms are constantly changing. Traditional preventive measures have great drawbacks. For example, when an accident occurs, pr...[Details]
This paper uses the Bennett method to analyze the distortion of the Class D digital power amplifier circuit. On this basis, the feasibility of using negative feedback design to reduce distortion is ...[Details]
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