The switch IC specification is uploaded. The two resistors connected to the V pin of the TOP switch chip (in the circuit structure of Figure 1) R1 and R2 resistance calculation formula refer to Figure...
[i=s]This post was last edited by dontium on 2015-1-23 13:27[/i] I recently wrote a project and the program was debugged, but the real-time performance did not meet the requirements, so I chose the op...
The recording function is implemented under WinCE, using waveInOpen, waveInPrepareHeader, waveInAddBuffer and other functions. It can be recorded and played normally under Windows XP. However, using t...
I am using DM642, and when I use the timer to control the LED flashing, I encounter a problem: when I connect the emulator and open CCS2.2 to run the program, the board does not respond, but after clo...
Shanghai Xinjin Semiconductor Co., Ltd. (BCD) is recruiting system engineers, design engineers, layout engineers, equipment maintenance engineers, process engineers, etc. for power management (AC/DC, ...
I am debugging the sim900a module. The MDK compilation is correct. When I downloaded it to the board, I found that the program was wrong. I used MDK to debug the simulator. As a result, I found that t...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[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]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[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]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]