[i=s] This post was last edited by paulhyde on 2014-9-15 09:09 [/i] If you are doing this year's Electronic Design Competition B, please log in or use QQ, 419605141...
From 8-bit/16-bit single-chip microcomputers to 32-bit embedded processors represented by ARM CPU cores, embedded operating systems will replace traditional manually compiled monitoring programs or sc...
I would like to ask you all: If I want to achieve the line drawing function, I can capture WM_MOUSEMOVE and WM_LBUTTONDOWN, or should I implement the messages sent by the driver?...
The optical signal is converted into an electrical signal and input into the AD port of the DSP. Then the size of the water drop and the falling time are calculated by calculating the voltage change a...
[size=4]Android's low-power Bluetooth applications are very common. Smart bracelets and watches are everywhere, and they basically use BLE communication to exchange data. BLE is basically well support...
The following stream driver code is written corresponding to the DeviceIOControl function: BOOL TES_IOControl (DWORD dwCtx, DWORD dwCode, PBYTE pInpBuf, DWORD dwInpLen, PBYTE pOutBuf, DWORD dwOutLen, ...
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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
Automotive electronics are in a noisy environment
,
so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
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