Let me first talk about the background of the problem: In a product, 7 buttons are set. According to the one-to-one connection method BP2.0~BP2.6 correspond to buttons KEY1~KEY7 respectively KEY1---OK...
[size=4][color=rgb(85, 85, 85)][font="]By Chris Glaser, Texas Instruments[/font][/color] [/size][font=Source Sans Pro, Helvetica, Arial, sans-serif][color=#555555][size=4] As electronic devices get sm...
During the Spring Festival, a classmate said that she took her students to do internship at Datang and met a student from Zhejiang University. At that time, something was broken, and the master gave t...
Author: Mr. Song, lecturer at Huaqing Yuanjian Embedded Academy. Development environment: Hardware platform: pv210 development board Host environment: Ubuntu10.04 Linux kernel: Linux-2.6.35 Wireless U...
Just as Wang Shi was correcting his correct view, CCTV began to expose the truth about Beijing's housing prices, pointing out that Beijing's housing prices had begun to fall since October 2007, and th...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]