wince +s3c2440 key press sound and screen click sound sometimes exist and sometimes exist for the first time, but not for the second time, but exist for the third time..........
Formatted input means that the input data has been arranged in a specific format. For example, look at the following data: 15.75 123 John This line contains three parts of data, which are arranged in ...
@lugl43138200【DWIN Serial Port Screen】One of the Nucleic Acid Sampling and Registration Systems[DWIN Serial Port Screen] Nucleic Acid Sampling Registration System 2: Prepare Background Image[DWIN Seri...
I received the board a long time ago, but I put it aside for a long time because of midterm exams and club activities. I feel a little sorry for eeworld. According to my project content, I need to use...
[i=s]This post was last edited by jinglixixi on 2020-12-30 11:54[/i]The relevant information of the air pressure sensor LPS27HHW provides corresponding routines, but no corresponding projects, so it i...
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[Details]
Billboards are information display terminals for the public, with a wide range of civil and commercial values. However, most of the information displayed on billboards is currently solidified in th...[Details]
0 Introduction
A gyroscope is an instrument that can accurately determine the direction of a moving object. It is an inertial navigation instrument widely used in modern aviation, navigation...[Details]
Digital signal processors (DSPs) offer excellent multimedia performance. In general, they can run codecs at only 40% to 50% of the cycles of a general-purpose processor (GPP) core. DSPs also offer ...[Details]
1 Introduction
The brushless DC motor uses an electronic commutation device to replace the mechanical commutation device of the traditional DC motor, and has similar mechanical character...[Details]
0 Introduction
IIR filters are not easy to make into linear phase, but FIR filters can be made into linear phase as long as certain conditions are met. The requirement for linear phase is ...[Details]
1 Introduction
Programmable controller (PLC) has been widely used in the field of industrial control due to its compact structure, high reliability, simple programming, powerful instructio...[Details]
Electrical Characterization at the Nanoscale
Studying the electrical properties of nanoscale materials typically involves using a combination of probing and microscopy techniques to make d...[Details]