The situation is as follows: The development board is AU1200, which I redeveloped myself. I replaced the original network card chip. It was replaced with DM9000AE. After the board started, YAMON could...
ECG test
1. The three electrodes LA, RA, and RL are connected to the left leg and right leg respectively. Where is RL connected? What are the rigid requirements for this ECG electrode sheet?
2. Can th...
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
1 Introduction
Bandgap reference sources are widely used in various integrated circuits. With the increasing development of modern integrated circuits, bandgap reference sources play ...[Details]
introduction
Limited bandwidth and the increasing demand for new wireless services have paved the way for the adoption of new technologies in the communications field. These non-traditiona...[Details]
1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
1 H4006 chip introduction
The operating frequency range of H4006 is 10~15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]
IGBT Overview
1.1 Structural characteristics of IGBT
IGBT is a high-power, integrated "Insulated Gate Bipolar Transistor". It is a new type of composite electronic device develope...[Details]
1 Introduction
With the development of information industry and microelectronics technology, the functions of embedded systems are becoming more powerful and the structures are becoming mo...[Details]
O Introduction
Power supply is an important component of every electronic device. According to the requirements of the International Electrotechnical Commission standard IEC 61000-3-2, the...[Details]
Overview: In recent years, small supermarkets (standard classification: convenience stores) have developed rapidly. The open-shelf operation and 24-hour operation of small supermarkets have brought...[Details]
In access control applications, the use of traditional metal key door locks, although low cost, but the door key is easy to be copied, lost, rusted, etc., and inconvenient to carry, etc., which is ...[Details]