void xianshi(void)//infrared scatter { //Q=1; switch(zijie[2])//scatter { case 0:P1=0xfe;break;//1 display the corresponding key value case 1:P1=0xfd;break;//2 case 2:P1=0xfb;break;//3 case 3:P1=0xf7;...
Qt is a cross-platform C++ graphical user interface application framework. It provides application developers with all the functions they need to build state-of-the-art graphical user interfaces. Qt i...
Circuit Function and BenefitsThis circuit uses the AD5292 digital potentiometer from the digiPOT+ series, the AD8676 dual-channel operational amplifier, the AD8541 single-channel operational amplifier...
[font=新宋体]My keil4mdk can't be used[/font] [font=新宋体]The error is core_cm3.c: error: A1023E: File "C:\Users\?3?·2\AppData\Local\Temp\p3014-2" could not be opened: No such file or directory[/font] [fon...
[i=s]This post was last edited by xiaoyanziwy on 2015-5-13 16:44[/i] Single channel receiving, 16-bit data line. Use two DMAs to receive data from FPGA (0-32767): upp_reg_hdl->UPID0 = (Uint32)upp_buff...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
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