In Hall W6, the presence of numerous foreigners confirmed the approach of these exhibitors. -------"Our electronic products are sold abroad, not for the domestic market. Why is that? Everyone seems to...
My platform is pxa255 + wce4.2. When adding a custom interrupt, the first thing is to connect the hardware, that is, the interrupt source is connected to a GPIO of pxa255, and the GPIO is set to input...
I checked MSDN and found CLUSCTL_RESOURCE_TYPE_STORAGE_GET_AVAILABLE_DISKS, but it is too annoying to use. Is there a function like _getdrives that can do it with one sentence?...
[font=微软雅黑][size=3]I just bought a new computer. It was supposed to be unboxed, but unfortunately I bought an official refurbished version. Without the original box and film, there is nothing to unbox...
The bitmap drawn in the static LRESULT CALLBACK Proc(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam) function of TCPMP is always covered by other windows. Does anyone know why? Thanks! case WM_PAINT...
When LCD12864 displays images, there are many noises around them. What good suggestions do experts have for removing the noises? I have tried delaying the start of the program and clearing the screen,...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[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 solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[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]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[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]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[Details]