I would like to ask you, when the high-speed crystal oscillator of 430F149 is 4M, what should be the value of the two capacitors of the crystal oscillator? My phenomenon is that when the 4M crystal os...
Application of AMBE-1000 Vocoder in Voice Communication SystemAuthor: Liu Yunyi Chen… Article source: Electronic Technology Application Hits: 4 Update time: 2006-7-8P Abstract: AMBE-1000 is a low bit ...
Dear experts , I designed a filter using filter simulation design software , and the simulation effect is very good. I used a band-stop filter with a center frequency of 200M and a bandwidth of 20MHz....
System Introduction: This system uses the SMS and voice function platform of the GSM network to complete alarm data transmission and control. It can perform various settings and operations on-site or ...
There are two modes of input:
1, dc 5v
2, dc 12VInfrared photoelectric switches are used in cabinets
Requirement: The light turns off when the light is blockedIf the light is not blocked, it will ligh...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]