I just learned about single-chip microcomputers. I saw some schematics that used NPN to drive digital tubes, and added a current limiting resistor to the base of the transistor. The transistor emitter...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:07 [/i] The input voltage of QC12864B is too low, the contrast is not enough, the displayed words are very dark, and you can't see them at a...
The most impressive thing about 430 is its low power consumption! In addition, it is a 16-bit microcontroller. Coupled with the power of IAR, developing 430 becomes a breeze.
It has a wide range of pe...
Hello everyone:As shown in the figure, the voltage at point A is 5.8 Vp-p, and the voltage at point B is 6 Vp-p. If the capacitive reactance of C1 and C2 is ignored,how can I calculate the effective v...
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Abstract
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RFID technology will be ubiquitous in the future, and there is no doubt about it, because it brings convenience and timeliness to people, which means efficiency and...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[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]
1 Introduction
In the current test field, the correlation detection method is increasingly widely used for filtering. Correlation filtering can easily separate a signal of a specific frequency...[Details]
Chapter 1 Proposal
Endless salespeople interrupt your normal work schedule;
Employees leave their work stations without permission during working hours;
Unauthorized persons ente...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
introduction
Usually, there are many input and output ports in RF systems, and it is expensive to use a multi-port network analyzer to analyze scattering characteristics. Therefore, it is ...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[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]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support.
Provide technical support for the application of the products you sell, and handle quality issues ra...[Details]
In recent years, with the rapid economic growth, wireless communication has developed rapidly. Since spread spectrum signals have the characteristics of anti-interference, confidentiality, anti-det...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]
introduction
In simple single-chip microcomputer application systems, the foreground/background system is widely used. The application is an infinite loop, in which the corresponding funct...[Details]
DSP and ARM Processors
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