[backcolor=rgb(222, 240, 251)]In a small closed environment, the microphone audio is fuzzy after passing through the op amp; in an open environment, the sound picked up by the microphone is normal and...
I used the winter vacation to learn Keil C51. When I learned about dynamic scanning, there was a question: Use the three digital tubes on the experimental board to display from 000 to 999, increase ev...
Today’s high-speed communications equipment, such as rack-mount (ToR) switches, routers, servers, and storage, are some of the sleek, powerful, and well-designed protagonists of the data center. These...
Security is of paramount importance in all IoT device design and deployment.Billy Meadow, President and CEO, CTO, and Jeff Kase, Chief Architect at LocatorX, share some insights into the current and f...
The chip uses LVDS standard to output data and applies internal reference voltage. The chip is powered normally and the measured results are:
1. REFOUT1 (Pin 12) and REFOUT2 (Pin 26) pin voltage 4.096...
The control system designed in the laboratory fully meets the design requirements after installation and debugging, but after the system is placed on site, the system often cannot work normally and st...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
1. Project Overview:
Changan Automobile Manufacturing Plant could produce 6 types of cars, with an annual output of about 80,000 vehicles. Its assembly line was manufactured in the late 19...[Details]
1. Preparation of electrodes
(1) Raw material pretreatment
Before the experiment, the positive electrode material LiFePO4, acetylene black and adhesive were vacuum dried at 120°C for 12 h...[Details]
When maintaining high-voltage inverters in summer, pay attention to the temperature of the inverter installation environment, regularly clean the dust inside the inverter, and ensure that the cooli...[Details]
As test engineers, we have to deal with the complex testing of Electronic Control Units (ECUs) before assembly. In this short article, I will try to make you more aware of the various applications ...[Details]
Introduction and comparison of several drive solutions
TLC5941
driver chip
The TLC5941 chip is the latest product from TI
,
and features dot correcti...[Details]
The power supply has a great impact on the stability of the system during system operation. A power module with poor quality and stability will not only cause unstable system operation, but also cause...[Details]
There are a few electric car
charging stations
here and there
, which is fine. But if charging stations become common in cities, they will become an eyesore, with long, tangled blac...[Details]
Analog electronics
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