I am currently working on a PND device, the CPU is pxa270, the OS is wince 5.0. At present, the screen brightness of my device is adjusted moderately. After the system is started, the current consumpt...
Now, no matter where I go, I can proudly tell people that I am a male nurse. A handsome male nurse!When I first graduated and started working, I didn’t dare tell others that I was a nurse, especially ...
In analog circuits, amplifier circuits, when calculating output resistance and input resistance, when can the controlled current be considered open circuit?...
Hope someone can give me some advice. Case 1: FlashReset(); state = FlashReadStatus(); //the result is state = 0xe0; flashid = FlashReadId(); //the result is flashid = 0xe0e0; Case 2: FlashReset(); fl...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]
长期的研究表明,植物光合作用在可见光光谱(380~760nm)范围内,所吸收的光能约占其生理辐射光能的60%~65%,其中主要以波长610~720nm(波峰为660nm)的红、橙光(约占生理辐射的55%左右)以及波长400~510nm(波峰为450nm)的...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]