Does anyone have a blank PCB for AD9854? I already have the chip! So I don't want a module with the chip integrated (don't have a MCU integrated on the board). I want to buy a board. You can add QQ: 9...
The information after linking is:3 474 bytes of CODE memory121 bytes of DATA memory (+ 21 absolute )1 796 bytes of CONST memoryThe result is incorrect after programming. The phenomenon is abnormal. I ...
[i=s]This post was last edited by dontium on 2015-1-23 11:09[/i]I believe everyone is clear about the parameters of the Hammer phone. It uses a 4.95-inch 1080P screen, Qualcomm Snapdragon 801 2.5GHz p...
Here is the TQ2440 linuxPDA source code, including adc, beep, button, colour, gps, led, input method library, you can download it if you need it. Guangzhou Tianqian provides learning source code for r...
As shown in the figure, after the PCB4 layer board selects to display the power layer, what is the meaning of the circle around the via (indicated by the red arrow in the figure)...
In 2009, the Smart Mobile Website will continue to carry out mobile software outsourcing business. Friends who are interested in this area are welcome to participate. For details, please see the descr...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[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]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]