HANDLE handle=CreateFile(_T("TTT1:"),GENERIC_READ|GENERIC_WRITE,0,
NULL,OPEN_EXISTING,0,NULL);
ASSERT(handle);
if (handle == INVALID_HANDLE_VALUE) // cannot open the drive
{MessageBox(NULL,_T("CreateF...
Top-e Embedded Popularization Series of Activities: Embedded Linux Driver Development and Employment Guidance Large-scale Technical Lecture (Beijing Station) - Development experts and best-selling boo...
I recently got an electric bicycle driver. I've been looking at it and I've been itching to take it apart to see what's inside. When I saw the [url=https://bbs.eeworld.com.cn/thread-495209-1-1.html]fo...
Design (430/51/host computer software) 1. Hardware related (mainly using msp430 and 51) control class, temperature acquisition class, serial communication class, heat meter class, card product class, ...
Vivi always has errors. The compilation is correct, but it always reports an error: the emulation layer does not support the functionality that is being accessed. Because of the course requirements, i...
[backcolor=white][size=3]With the increasing number of MCU types, the range of our choices is also getting larger and larger. Many friends who used to work on 51 have started to look for new prey for ...
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]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[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]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[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]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]