[backcolor=white][font=Arial, Helvetica, sans-serif][color=#000000]They work by detecting the skin resistance between the fingers. The circuit detects the resistance between your fingers. Dry fingers ...
Abstract: This paper puts forward several issues that need to be considered for variable frequency speed control of high voltage motors, such as series connection, harmonics and efficiency. It introdu...
Hangzhou, June 20 (Reporter Ji Hongmei) From June 19 to 20, the two-day "2006 Chinese Academy of Sciences IC Design and Application Academic Seminar" was successfully held in Hangzhou. This conference...
I just graduated and work in embedded software. I like hardware design and want to learn PCB layout. I have free time at night when I don't have to work overtime. I want to ask a master to teach me ho...
This application note describes the performance of the MAX2538 LNA mixer IC matched to a Kinseki (KSS) 183.6MHz IF ( intermediate frequency ) . The performance of the cascaded circuit is shown in conj...
Thank you for your attention and participation in the Easy Power Supply event. After checking your weekly plans, the following netizens have obtained the trial of the Easy Power Supply module. We hope...
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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]