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A chip that can control and modulate sound waves. Image credit: Shao Linbo/Harvard University
Scientists from Harvard University in the United States wrote in the latest is...[Details]
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This article talks about testing the distance through ultrasound and displaying the measured data in real time on LCD1602. When the measured distance is less than 10CM, the LED light will light up. Th...[Details]
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Community building intercom technology has a history of more than ten years of development in China. At present, when all manufacturers are similar, whoever can guarantee product quality, timely ma...[Details]
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What are the advantages of STM32? Apart from the publicity, a careful analysis shows that the STM32 clock is not fast, 72MHZ, and it cannot expand large-capacity RAM FLASH, nor does it have a powerfu...[Details]
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1. Several concepts of touch screen
The so-called touch screen, from the market concept, is a computer input device that everyone can use, or a device that everyone can use to communicate with the ...[Details]
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1. Overview of CC2541 device The CC2541 is a power-optimized true system-on-chip (SoC) solution for low energy and private 2.4GHz applications. It makes it possible to build robust network nodes with...[Details]
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For decades, power converter topologies have been based on analog technology. Although most converters use switching technology and pulse width modulation (PWM), the circuit structure is mainly ana...[Details]
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The World Energy Council (WEC) recently released the report "Energy Storage Monitor: Development Trends in 2019", which analyzes the development trend of the world energy storage market by 2030 fro...[Details]
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1 Introduction
The low noise amplifier (LNA) is an important component in modern microwave communications, radar, and electronic warfare systems. It is located at the front end of the rece...[Details]
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0 Introduction
The voltage monitoring system is an intelligent instrument system that monitors and automatically records the quality of power grid voltage, providing correct data for statistica...[Details]
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At the online launch conference that just ended, Apple released a new version of Apple TV 4K. This device is equipped with an A12 Bionic chip and comes with a new Siri remote control. The addition ...[Details]
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LED lighting is the development direction of the lighting field due to its own advantages such as high efficiency and energy saving. The traditional BUCK circuit used for LED driving uses electroly...[Details]
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As a precision instrument, the intelligent electromagnetic flowmeter should be maintained in daily use to ensure that it can work stably. Now winter has come quietly, and the temperature has dropped, ...[Details]
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After debugging for a long time, I finally successfully started the board. This program is divided into two parts. One is the startup code boot.s, which is responsible for initializing the hardware an...[Details]
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Industrial control computers are computer systems specifically used in the field of industrial automation. Their structural characteristics are mainly reflected in the following aspects:
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