I am planning to use the AD9851 chip and DDS technology to generate a sine wave as the excitation source for a differential transformer displacement sensor. Is this an overkill?...
[i=s]This post was last edited by dontium on 2015-1-23 13:03[/i]RE200B, which uses high thermoelectric coefficient materials, can detect infrared radiation from the human body in a non-contact manner ...
const char temp[]= "+CMGL: 2,\"REC READ\",\"+8613621246911\",,\"09/03/31,13:57:39+32\"Abcf";char *m,*n;char num[12];m=strstr(temp,"+86");n=strstr(temp,"\",,\"") ;for(l=0;lI tried it for you and it see...
How do I set these parameters? When s3c2440 starts up, the first 4KB of the flash is copied to an internal RAM called steppingstone. This RAM is mapped to 0x0, so -entry should be 0x0. And because ban...
include
#define uchar unsigned char sbit LED=P1^0; uchar n; void main() { n++; if(n=50) {n=0; LED=!LED; } } There are 2 worings. I don’t know where I am wrong. Please tell me. Here are the warnings: B...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[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]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[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]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[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]