I graduated with a degree in mathematics, but I can do software without any circuit support. Now I want to learn some hardware knowledge, but I don’t know how to learn. Does anyone have any advice? Th...
The school is not able to make boards for DDS chips, which have many pins and are SMD. Can I buy ready-made modules from Taobao? However, the 9854 and 9850 modules sold online are almost finished prod...
I've picked out two development boards, TQ2440 and mini2440. Here are the links: http://item.taobao.com/item.htm?id=3727179227 http://item.taobao.com/item.htm?id=2190406747. I'm using them for learnin...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[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]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Touchscreen interfaces are a popular technology for industrial and commercial computer systems. Touchscreen technology eliminates the need for a keyboard or traditional mouse, instead enabling simp...[Details]
introduction
In-Circuit Programming (ICP) is a fast MCU programming method that is widely used. For the 8-bit MCU of Freescale Semiconductor that I use, the speed of in-circuit programming...[Details]
Abstract: This paper proposes a method of mine environment detection using wireless sensor networks, and gives the network framework, topology and network protocol of wireless sensor networks suit...[Details]
In the power parameter measurement device, the power parameters come from the power grid with a strong interference source. At the same time, due to the influence of the mutual inductor and the amp...[Details]
Embedded System
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