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introduction
At present, most of the common wireless remote controls on the market are four-key and twelve-key, mainly used in car anti-theft systems, home anti-theft systems and remote control...[Details]
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A new patent shows that Samsung intends to equip its Galaxy Z Fold4 foldable phone with an under-screen fingerprint sensor that will be able to scan from both sides of the screen. The Z Fold3 was pre...[Details]
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1 The function and identification method of diodes
1.1 Function
The main characteristic of diodes is unidirectional conductivity, that is, under the action of forward voltage, the on-resistanc...[Details]
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With the development of oscilloscope technology and computer technology, the accuracy requirements for signal detection and analysis are getting higher and higher. Ordinary oscilloscopes are relativ...[Details]
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1 Introduction
Fieldbus is a fully decentralized, fully digital, intelligent, bidirectional, interconnected, multi-variable, multi-point, and multi-station communication network used between fi...[Details]
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Microcontroller Easy Introduction 3 Buzzer This circuit is relatively simple. It uses a PNP transistor to drive the buzzer. When P3.7 is at a low level, the PN junction is forward biased, the transis...[Details]
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1 Introduction
With the continuous improvement of computer technology, modern measurement and control systems are developing in the direction of automation, intelligence, miniaturization and n...[Details]
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Recently, Jiangfeng Electronics said in an institutional survey that the company's sales revenue continued to grow during the reporting period, so the purchase volume of raw materials also increased ...[Details]
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This is a miniature audio amplifier circuit built with the power IC AN7115 as the main part. Normally, when using a 9VDC power supply and a 4Ω speaker, the amplifier will provide about 2.1W of powe...[Details]
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Smart features, expert results
ANCA Motion’s CyGrind turnkey CNC solution combines years of technological innovation with exceptional ease of use and computing power in a complete ha...[Details]
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The long tail effect is an important economic principle, which can be simply described as "small profits and big markets". From the perspective of people's needs, most of the demands are concentr...[Details]
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According to the 2019 performance report released by Gree Electric Appliances, the company achieved total operating revenue of 200.508 billion yuan in 2019, a year-on-year increase of 0.24%; net prof...[Details]
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UART principle description:
Universal Asynchronous Receiver Transmitter is abbreviated as UART, which is "Universal Asynchronous Receiver Transmitter". It is used to transmit serial data: when ...[Details]
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1. What are the main functional components inside the MCS-51 microcontroller? What are their functions?
The MCS-51 microcontroller integrates basic functional components such as CPU, RAM, ROM,...[Details]
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This article will explore some of the internal circuit design methods used to mitigate EMI problems.
One method used to mitigate EMI emissions is to reduce the slew rate of the amplifier output. ...[Details]
Test/Measurement
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