Hello, I developed an MFC program with EVC4.0 and run it on Wince 5.0. I used to use the sdf database of Sqlce3.0. Now after upgrading the database to 3.5, I can't connect to the database. My connecti...
The current status is this: According to the manual, I connected the 3.3V voltage to tp5 of bbb and the ground to tp8. Through measurement, I can find that sys1 and sys2 of tps65217c have 3.3V output,...
Build Complete, 1686 Errors, 57 Warnings, 0 Remarks.All of this type,error: symbol _QY_Timer is defined multiple times: C:\CCStudio_v3.3\MyProjects\svg\svg\Debug\Fault.obj and C:\CCStudio_v3.3\MyProje...
I am going to do my graduation project, and I would like to ask experienced experts to help me, thank you! It would be best if I have a paper and circuit diagram!...
[size=4]After the DSP28335 program is burned into the flash, it shows that the burning is successful and there is no problem running online. After powering off and then powering on again, it feels tha...
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]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
Laptops, netbooks, mobile Internet devices (MIDs), e-books… these mobile devices have become a bright spot in the consumer electronics industry as buyers look for new value-for-money products. In m...[Details]
1. Fieldbus Technology
The blast furnace gas washing system is to purify the gas recovered from the blast furnace through the washing tower and then send it to the user. The original conve...[Details]
Introduction
By reading the source code of a sequential program line by line, it is not difficult to tell what specific operations the program will ask the processor to perform, and also the or...[Details]
In single-chip microcomputer application systems, it is often necessary to communicate with microcomputers through RS-232 serial ports. Among various operating systems, Microsoft's Windows is more ...[Details]
Preface
With
the development of
white LED
, its application is becoming more and more extensive. In the past, the most common application of white LED was as the backlight o...[Details]
Embedded System
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