This program has no compilation errors, and the SMS part uses the information provided by the seller. It can send SMS during testing. Now I wrote it into my main program. Even if I don't add the while...
[i=s]This post was last edited by dontium on 2014-11-18 16:06[/i] The display part of the board has been completed, but there is no menu, etc., which will be improved later.1. Use P1.4 as the input of...
The forum seems to be very busy recently, mainly in the following aspects: 1. Character selection posts. 2. Voting solicitation posts around character selection. 3. Golden partner posts for Chinese Ne...
I used to work on 51, but now I have no projects and am quite free. While many people are madly learning ARM, I also bought an abcARM s3c2410a development board. The technical support and point-to-poi...
What I did was to use S3C2410 to drive the ZLG500B card reader module to realize the card reading function. The communication between them is UART. Question: How to use C to write the interrupt initia...
For my graduation project, I am working on a CAN multi-point communication protocol using Freescale's DSP56F8037 (the main content is the transceiver program plus the upper-layer network protocol). Ho...
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]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[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]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[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]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[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]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
Power quality refers to the quality of AC power supplied to the user end through the public power grid. In an ideal state, the public power grid should supply power to users at a constant frequency...[Details]
0 Introduction
In daily life, single-chip microcomputers have been used more and more widely. It is small in size, light in weight, highly integrated, has strong anti-interference ability, and...[Details]
0 Introduction
In today's scientific research and engineering, CCD is increasingly widely used, but its driving pulse and signal acquisition requirements are high, and generally requires a relat...[Details]