When analyzing capacitor AC circuits, the analysis method of charging and discharging is very complicated and not easy to understand, so the equivalent analysis method should be used. This analysis me...
Dear experts, I want to use three buttons to realize mode switching and time division addition functions. How should the button subroutine code be expressed? The button code requirements are as follow...
[size=5] Recently, the program on the project needs to filter a voltage signal. Although I have some understanding of digital signal processing, there is still a big gap between engineering applicatio...
I recently saw a design that connected a resistor between the input and output pins of 78L05. The reason for this was to expand the current, but I didn’t see this usage in the data sheet. I did a flyi...
This article and design code were written by FPGA enthusiast Xiao Meige. Without the author's permission, this article is only allowed to be copied and reproduced on online forums, and the original au...
Servo motors are also called actuator motors. They are used as actuators in control systems to convert input voltage control signals into angular displacement and angular velocity output on the sha...[Details]
Recently, I encountered a serious problem while learning AVR microcontrollers. My laptop did not have a parallel port, so I could not download programs to the microcontroller. Without programs, the mi...[Details]
According to foreign media reports, people familiar with the matter revealed that Japan's SoftBank Group is studying the sale of all or part of the shares of British chip design company ARM, or choos...[Details]
The U.S. Department of Commerce’s Bureau of Industry and Security (BIS) announced that it has added 11 Chinese companies to the Entity List. Under the regulations, these companies face new restrictio...[Details]
Counters are widely used in industrial control. Traditional digital counters are made of small and medium-sized digital integrated circuits, which are not only complex in circuit, high in cost, but...[Details]
The book I borrowed from the library is "16-bit MCU C Language Programming Based on PIC24", published by People's Posts and Telecommunications Press. It is a very good book. After reading the book, I ...[Details]
According to Nanjing Daily, in 2018, Nanjing's basic software and industrial software business revenue increased by 12% year-on-year, ranking first in the province. In terms of basic software, larg...[Details]
The intelligent thickness gauge studied in this project is a complete solution based on a single-chip microcomputer, consisting of a main controller, a measuring sensor, an AD conversion module, a li...[Details]
Before one wave subsides, another wave rises. Intel, a veteran IDM manufacturer, is going to carve out a second growth curve and move towards IDM2.0 with great determination. On the one hand, it will...[Details]
There has been a voice echoing in the industry: "Has the terminal form factor such as mobile phones reached its end?" 5G has provided our economy with an unprecedented opportunity and also set off a ...[Details]
According to the latest registered patent, Apple is exploring the possibility of placing a battery in the charger. Apple intends to make the charger capable of providing backup power to iOS when ...[Details]
1. Plug the electric pen into the socket (of course, the live wire), touch the back of the electric pen with one foot of the crystal oscillator, and touch the other foot with your hand. If the electr...[Details]
China's hydrogen fuel cell industry continues to develop, and the fuel cell vehicle industry has received more than $1 billion in investment from various Chinese companies so far. By 2023, China's fu...[Details]
Domestic low-cost processor, core board as low as 79 yuan! Mil based on Allwinner T113-S3 core board released
Domestic low-cost core board as low as 79 yuan! Mil based on Allwinner T113-...[Details]
The use of photocouplers in audio amplifier circuits not only plays a role in signal isolation and prevents inter-stage interference, but also can amplify audio signals. Photocouplers can be equivalen...[Details]
Analogue and Mixed Signal
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