Many, if not most, machines are controlled by specialized computers called programmable logic controllers (PLCs). The roots of this trend can be traced back to the late 1960s, when machines and assemb...
The general manager of the company went on a business trip. After finishing his business, he asked the driver to take him around . The purpose of the trip was to buy some gifts for his wife. Every tim...
ot@localhost u-boot-1.1.6]# export PATH=/ning/2.95.3/bin:$PATH
[root@localhost u-boot-1.1.6]# make B2_config
Configuring for B2 board...
[root@localhost u-boot-1.1.6]# make
for dir in tools examples p...
(1) What is a data bus? No matter how many ECUs a car has, no matter how large its information capacity is, each ECU only needs to lead out two wires and connect them to two nodes. These two wires are...
I want to share a set of programs for the router and terminal programs, and distinguish them by external pin levels. After the integration is completed, I found that the router can send and receive da...
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[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]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
Overview and application status of IC card access control
IC Card Access Control Overview
System Overview: Use IC card as the carrier to realize identity recognition and access co...[Details]
After more than 20 years of development, Ethernet has become an indispensable part of the underlying connection in modern Internet. It is easy to network and has better openness, making it one of t...[Details]
1. Overview
At present, there are many cases related to motor vehicles among all kinds of criminal crimes, such as hit-and-run, theft and robbery of motor vehicles, etc. If an automatic mo...[Details]
introduction
Using wireless sensor networks to detect the amount of grain in a grain depot is a new technology. Due to the complexity of grain piles, a large number of unevenly distribut...[Details]
Most of the current maritime radars in my country are imported radars with a short effective detection range. They are unable to identify signals when the signal-to-noise ratio drops to 3 dB. Wit...[Details]
0 Introduction
High-frequency switching power supplies have been widely used in the communication and low-voltage industries, and have gradually been used in power systems, due to their ad...[Details]
DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]