I recently made an ultrasonic detection circuit, but there was a problem in the ultrasonic transmitting circuit. I referred to the transmitting circuit at http://www.vipcn.com/dianzijixie/ceshiceliang...
I have been an entrepreneur for 10 years, and I have experienced 9 failures and 1 survival. I have taken advantage and suffered losses, worked hard and been lazy. I am very sad to see that this forum ...
AT91R40008 is plugged into FPGA. Currently, the purpose is to create a network port to connect to FPGA, so as to facilitate data transmission and communication with FPGA. The more troublesome thing ab...
The transistor has three working states: cutoff, amplification, and saturation. The amplification state is very knowledgeable and complicated, and is mostly used in integrated chips, such as op amps, ...
How to draw the initialization flowchart when using 8259A to expand the interrupt function of PC to 8 interrupt inputs on IRQ2? I know how to do it for one chip, but I am not sure how to cascade two c...
The factory tests the SATA interface of the motherboard to see if there is any chip or program that can convert one hard drive into multiple interfaces. Multiple SATA on the motherboard can be tested....
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
Embedded System
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