I want to start reading and writing IC cards and developing frequency modulation, but I don't understand it. I want to ask what the simplest equipment is, and the simplest radio frequency equipment. B...
The 8-segment digital display on my board is driven by the zlg7290 chip. The IICSDA pin on the chip is connected to the IICSDA/GPE14 pin of the S3C2410, and the IICSCL pin is connected to the IICSCL/G...
The only function of the voltage feedback loop is to keep the output voltage at a fixed value. However, considering load transient response, output accuracy, multiple outputs, isolated outputs, etc., ...
If an external crystal oscillator is used in a DSP, does the input of the crystal oscillator's power supply need to be protected by magnetic beads for EMI, and does it also need parallel capacitors? I...
The WinCE driver itself runs in user mode. Why do we need to call the driver through system calls? Is it okay not to do this? Does the system call cause the program to fall into kernel mode?...
In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
1 Introduction
The integration of sensor technology and RFID has just started. As one of the world's major manufacturing and consumer countries, China should seize this opportunit...[Details]
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
PCI (Perip heral Component Interconnect) is an advanced high-performance 32/64-bit local bus that supports linear burst transmission and has a maximum data transmission rate of 132MB/s. At the same...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
As mobile phones have evolved from simple voice communication tools to multimedia devices that integrate communication, imaging, and gaming, application processors are replacing baseband chips as t...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
0 Introduction
Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]
When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Embedded System
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