I need to make an LED control solution now, and need to sample the AC signal for synchronous processing. I wonder if any friends can provide specific ideas...
The fish said: "You can't see the tears in my eyes, because I am in the water." The water said: "I can feel your tears, because you are in my heart." These two lines are very classic, almost everyone ...
As shown in the figure, this is an anti-interference voice-controlled switch circuit. The circuit consists of a microphone S, a frequency-selective amplifier, a monostable shaping circuit IC1, signal ...
Regarding the processing of VCA822, I am now working on this module and I am so sad! I changed the diagrams one after another. At the beginning, it got hot when powered on. After solving it, some mega...
Commonly used high-frequency electromagnetic field simulation software include the following: Ansoft HFSS, Designer, Emsenble. Ansoft has always used FEM (finite element method), and HFSS has an absol...
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
0Introduction
In oil drilling, accurate measurement of wellbore posture is the premise of wellbore trajectory control. To this end, this paper fully combines the advantages of single-chip ...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Abstract:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[Details]
Fieldbus is an open, digital, multi-point communication control system local area network, and is one of the most promising technologies in today's automation field. CAN bus is a hot application in fi...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[Details]
0 Introduction
The rapid development of wireless communication technology and video compression technology has made wireless video transmission a hot topic of research. Wireless video tran...[Details]
1 Introduction
The LCD driver terminal integrates the LCD controller, microcontroller, etc., and encapsulates the functions of LCD control and graphical interface display through software....[Details]
Embedded System
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