I am currently working on a project using an arm7 chip from atmel. When doing serial communication, I found that the interrupt of serial port 1 is always suspended after I send data, but from the inte...
The short-circuit test of products such as fuses and single-pole switches requires a single-phase power supply. When using a three-phase test transformer for power supply, in order to meet the require...
Since this magazine published Zhang Xuewen's article "Abnormal Design Method", we have received letters from some readers, who generally felt that although this article talked about ceramic design, it...
1. Installation method: On the basis of the original door lock installation, install this product near the lock lever inside the door, and then connect one wire of this product to the original lock. I...
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The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
LonWorks fieldbus technology is widely used, for example, in intelligent buildings, industrial control, environmental protection, etc. Echelon's LonWorks system has been used in the products of tho...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Embedded System
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