Download the full set of ultra-stable Protel99se plus automatic Chinese package http://www.vip998.com/Soft/ShowSoftDown.asp?UrlID=1SoftID=50Download the full set of the ultra-stable Protel99se plus au...
1. No one forced you, you chose Symbian OS voluntarily. 2. This is the most important question, is there a future for developing software for Symbian OS? Every Symbian OS developer is considering this...
I read one of your posts about 34063, which said that the efficiency can reach 97%. I admire it very much. Now I have also drawn a diagram of 34063. Please give me some guidance. If the input is 5V/2A...
I. Requirements and content requirements for graduation thesis: 1. Master the basic principles of serial communication. 2. Master the basic structure and characteristics of RS-232. 3. Master the worki...
Hello everyone! I am debugging the bootloader of 9261 under pb5.0 recently. Since there is no Ethernet on my board, I have to choose to use the serial port to download and debug. I have set Target->co...
Recently, I was debugging CC1101 for link lighting control of LED lights. I encountered some problems during debugging. I am posting this thread for help. CC1101 is used for sending, and PT4303 is use...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[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]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[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]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[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]
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. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]