This section introduces how to achieve interface switching by creating window objects through experiments:Step 1:Add a pushButton button to the main interface ui file,Then create a new window, and cre...
1. Is this the formula for the boost circuit? Is there anything to add?2. PMOS is used in the boost circuit. Why are the voltages obtained by different types of MOS tubes very different?...
The power supply of USB devices on our platform is always on after power-on. This causes some USB devices inserted before power-on to be unrecognizable after system startup and must be re-plugged. Som...
Refer to online articles, Philips' UM1055, universal Class-D discrete component solutions and my senior's previous works. The circuit diagram is as follows, soldered on a perf board.Measure the wavefo...
What is the standard naming method for chip capacitors?There are some differences between the naming methods of chip capacitors in China and abroad, but the parameters involved are the same.
Parameter...
Example Purpose:Use TMR1 to output 7 PWM channels simultaneously.
Supported models:AT32F4xx full series
1 Quick Use Instructions1.1 Hardware ResourcesAT-START-F403A V1.0 Experimental Board
1.2 Softwar...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
introduction
As
a
software
development platform in the field of professional measurement and control, LABVIEW contains rich data acquisition, data signal analysis and powerful DAQ a...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
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