For example, there is a unisigned int x and a uchar y[3]. To convert X into a compressed BCD code and put it into Y, this 8-bit machine has no BCD related instructions, no multiplication and division ...
Problem 1: When compiling Android 4.0.4 source code on 32-bit Ubuntu 12.04, an error about the emulator occurred. The key is the -m64 parameter in its Makefile. Just replace it with -m32. The error pr...
Abstract: The application of non-contact measurement system in vehicle road test is studied. A portable vehicle motion parameter . Important issues such as system configuration, test principle, calcul...
Google Home, a speaker that can understand human speech, is the new baby of smart home : https://training.eeworld.com.cn/course/3641[font=微软雅黑][size=3]This robot that looks like a speaker is called "G...
Detailed explanation of Network Neighborhood Gao Xing published on 2005-9-3 19:25:00 1. Working principle of Network Neighborhood Network Neighborhood uses NetBIOS protocol. In Win98 second edition sy...
The day before yesterday at 3 pm, I started to review for the circuit supplementary exam. Damn, it went very smoothly! I didn't expect that I could understand the equivalent transformation, first-orde...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
Embedded System
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