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Photoelectric liquid level switch is a commonly used type of liquid level switch, which has the advantages of high reliability, good repeatability, accurate measurement, easy maintenance and long serv...[Details]
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1 Introduction
Usually, when DVD/CD discs rotate at high speed, due to the existence of surface warping, non-roundness or external interference, the tracking and scanning of the target tra...[Details]
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This article introduces a heart rate and body temperature detection system based on a single-chip microcomputer. The circuit part of this design mainly includes: sensor measurement circuit, amplifier...[Details]
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All resistors are 1/4W.The circuit is powered by 9...15V DC or AC. When In Circuit Programming (ISP) the connector may be used as the power source to power the target programmer. Diodes D2 and D6 prot...[Details]
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The previous two articles introduced the bootloader and kernel running on the mini2440 development board. At this point, the system is actually stuck in a "dead" state after startup - the root file s...[Details]
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BOE Chairman Chen Yanshun wins 2024 David Sarnoff Industry Achievement Award "Screen-IoT" leads new changes in high-quality industrial development
On May 13, US time, on the eve of t...[Details]
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This article introduces a design scheme of an on-board inverter based on the voltage feedforward control chip LM25037, and explains the basic structure and control scheme of the circuit. Since the ...[Details]
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The protection circuit for the reverse polarity of the power supply voltage of the op amp is shown in Figures (a) and (b). Figure (a) is
the protection circuit
for a single-stage amplifie...[Details]
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On the morning of November 14, Shenzhen Weifang Energy Technology Co., Ltd. (hereinafter referred to as Shenzhen Weifang Energy) sodium ion battery material production base and Guizhou Manganese Se...[Details]
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How to choose TVS voltage to best protect automotive electronics? This is a common question among customers.
The selection of high-power TVS and anti-static ESD is different: because the voltage ra...[Details]
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In some applications that require fast response speed, strong real-time performance, and large control volume, multiple single-chip microcomputers are often combined with PCs to form a distributed sys...[Details]
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In a support document updated this week, Apple shared a list of products that should be kept a safe distance from implanted medical devices such as pacemakers and defibrillators due to potential magn...[Details]
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Photovoltaic inverter market has both opportunities and challenges
The stimulation of the foreign trade industry by the national strategy of “One Belt and One Road”, the activation of the ...[Details]
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1. What should I do if the baseline of the RIGOL digital oscilloscope is offset without any signal? There are three reasons that may cause this problem: 1) The system has not been calibrated for ...[Details]
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Voltage reference is a simple, stable reference voltage. As a key factor in circuit design, the selection of voltage reference requires consideration of many aspects and compromises.
Differen...[Details]
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