[backcolor=rgb(255, 255, 255)][font=Arial, Helvetica, sans-serif][size=12px] The electrocardiogram (ECG) system records the electrical activity of the heart over a period of time by measuring the surf...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:26[/i] [b]2003 National Undergraduate Electronic Design Competition Sony Cup Broadband Amplifier[/b]...
void Dly100us(void *arg) { u32 Dely=(u32)arg; while(Dely--) { //(int i=1000;i; i--);//As soon as this line is opened, it appears..\main.c(134): error: #18: expected a ")"..\main.c: (int i=LOOP_DLY_100...
Toshiba photorelay TLP3547 frequency test drive signal: ±5V, frequency: 10-300Hz, switch series 20Ω resistor connected to 5V power supply. The test is as follows: From the test frequency pictures, it ...
The news that ADI officially acquired Maxim surprised me. When I started to get in touch with microcontrollers in 2002, the first thing I came into contact with was MAX232/MAX202. At that time, I felt...
Does anyone have any papers from the National College Students Electronics Contest? Can you upload some for me to refer to? I am honored to participate in the National College Students Electronics Con...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[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]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]