Zhuhai Xinhui Electronic Technology Co., Ltd. is a Sino-foreign joint venture specializing in the production of frequency components and resistor products. The company has a domestic advanced crystal production line. Since its establishment in 2004, Xinhui Electronics has been committed to becoming a leading domestic frequency component solution provider, constantly developing, keeping pace with the times, and committed to improving product quality and customer service. The company obtained ISO9001 quality management system certification in 2006, and has advanced testing instruments and experimental methods to ensure product quality and environmental protection requirements. In 2017, the company established a new factory in Zhongshan Port, Guangdong and established Zhongshan Monica Electronic Technology Co., Ltd. The factory was built and put into use at the domestic first-class level, further improving the company's production environment.
I saw this circuit diagram on the Internet, which said that it was a problematic circuit and Q1 was prone to burn out.
The comments section has the following opinions:
1. The resistance of R7 is too l...
ESP8266 adds support for VfsLfs1 and VfsLfs2, which can be added to the firmware via compile switches.make MICROPY_VFS_LFS2=1esp8266/moduos: Add optional support for VfsLfs1 and VfsLfs2.
esp8266/modul...
High-performance ultrasound imaging systems are widely used in various medical scenarios. In the past decade, discrete circuits in ultrasound systems have been replaced by highly integrated chips (ICs...
I want to make a high-voltage DC generator. I happen to have a high-voltage package. My idea is to use 555 to generate a square wave signal to drive the MOS tube to switch the high-voltage package, an...
In order to lay a solid foundation and systematically learn MicroPython, I bought two control boards.This content is originally created by EEWORLD forum user eagler8 . If you want to reprint or use it...
Acoustic Emission Testing Technology and Instruments
The qualitative problem of acoustic emission sources involves the acquisition of AE source signals, including AE characteristic quantities ...[Details]
Figure 194 is a three-story staircase lighting control circuit, where W1, W2, and W3 are the lighting lamps for the first, second, and third floors of the staircase, respectively, and K1, K2, and K3 ...[Details]
1 Overview
Access control systems are moving beyond the limitations of traditional cards and readers to a new world of configurable credentials and contactless technology. In this new world, mobi...[Details]
Broadband Preamplifier
Motorola's MWA110, 120 or 130 is a broadband amplifier integrated circuit. This broadband preamplifier circuit can be used in many occasions. When constructing the c...[Details]
In the field of analog chips, ADI is often regarded as a classic spanning half a century. Behind its outstanding technological innovations is a group of equally outstanding top technical talents, inc...[Details]
Governments and power supply companies around the world have realized that the traditional power grid, which has not changed much in the past century, will be replaced by smart grids with higher energ...[Details]
When cutting paper in a printing factory, thick paper is often put into the paper cutter by hand. If the paper cutter switch is pressed by mistake, the cutter switch will automatically cut the paper,...[Details]
1. Overall design and demonstration of the scheme
1.1 Selection of liquid level sensor
The self-made sensor is made by using the conductive properties of metal conductors and water. It can co...[Details]
Application of Pattern Recognition in Acoustic Emission Testing of Pressure Vessels
In view of the development of full waveform acquisition technology and instruments for acoustic emission signals,...[Details]
There are various forms of interference on the public power grid. Except for power outages, which can be clearly detected, most interference is not easy to detect. However, it is this kind of interfe...[Details]
After storage administrators have mastered the basic principles of managing logical unit numbers (LUNs), they need to solve more complex problems related to LUN storage, including resource management...[Details]
Lantiq, a leading provider of broadband access and home networking technologies, today announced that it has joined the ULE Alliance to collaborate on delivering ultra-low power ULE solutions for hom...[Details]
Smartphones, smart TVs, smart cars, and even smart watches and smart glasses are the spring of intelligence, and also the spring of Goertek.
In 2011, Goertek's net profit increased by 91%. In the...[Details]
What is digital television?
Nowadays, there is confusion among concepts such as "digital TV", "full digital TV", "multimedia TV", etc. Today's TV can only be described as an analog TV that has adop...[Details]
Analog electronics
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