I just started using WINCE and I am using EVC4 and the built-in simulator. The program needs to dynamically call DLL. LoadLibrary(TEXT("\WINDOWS\XX.dll")) returns NULL. It may be that the path is inco...
Co-authors Miro Oljaca and Tattiana Davenport A solid-state relay (SSR) is a semiconductor-based device used for on/off control of loads. Semiconductors commonly used in SSRs include two types of powe...
[i=s]This post was last edited by paulhyde on 2014-9-15 08:58[/i] All EEs should know about the electronics competition in September, right? Is it useful for studying abroad? I wonder if I should spen...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:48[/i] Have you ever participated in an electronic design competition? Do you know which electronic design competitions are held every year t...
I wrote a memory driver under Linux, and I need to perform on-chip addressing of this memory (the on-chip address is 16 bits, divided into two segments, high 8 bits and low 8 bits), which is implement...
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]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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 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
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
