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Electromagnetic relay is a commonly used component in automatic control. It uses electromagnetic principle to realize an automatic switch that connects or disconnects one or a group of contacts. It i...[Details]
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As the main shipping machine in this year's iPhone 12 series, Apple not only took into account the cost-effectiveness but also the fashion of the machine when building the 5.4-inch version, so C...[Details]
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Today, the use of AI by humans is like taking mom to a restaurant for dinner. Mom not only wants to eat, but also wants to understand how the dishes are made. Just as the more efficient the neural ne...[Details]
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0 Introduction
With the rapid development of information technology, people's requirements for electronic products to be intelligent, convenient and user-friendly are also increasing. As a user-frie...[Details]
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Mobile communications have become the main means of communication in China. Domestic mobile communications are still dominated by voice services, and are gradually developing towards providing mult...[Details]
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1 Introduction
BX type signal transformer, BG type track transformer and ZG type silicon rectifier are the front-end of railway signaling electrical equipment. The stability and accuracy of their o...[Details]
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1 Introduction
In scientific research, production and people's daily life, the measurement and control of analog quantities are very common. In order to measure and control physical quantities...[Details]
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I encountered a problem when using STM8S003: In order to reduce the power consumption of MCU, the Schmitt trigger was disabled during initialization. It was found that IO- PD3 was always 0 as the inp...[Details]
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I recently bought a NanoPi M1 board from FriendlyArm, and applied for a NanoPi NEO board online. Both are Crotex-A7 quad-core ARM development boards based on the Allwinner H3 chip. The two boards can...[Details]
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Infineon Technologies Launches CIRRENT™ Cloud ID Service to Simplify Secure IoT Device-to-Cloud Authentication
Infineon Technologies AG has launched the CIRRENT™ Cloud ID service, w...[Details]
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The constant current and constant voltage in the power supply are achieved by connecting the op amp to negative feedback. There is also a device with a structure very similar to the op amp, which i...[Details]
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Under the trend of global energy structure transformation and green and low-carbon economic development, the application scenarios of new energy batteries are constantly enriched, from 3C consumer ...[Details]
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The soil fertilizer nutrient tester has high detection accuracy and is generally used by universities, research institutes and users who pursue high precision. The soil fertilizer nutrient tester i...[Details]
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1 Introduction to Elevator Control
At present, there are two common ways to control elevators. One is to use a microcomputer as a signal control unit to complete the acquisition of elevator si...[Details]
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Hysteresis PWM current control is a relatively traditional PWM current control method , which has the advantages of good stability, fast response speed, and controllable error. Its system structure i...[Details]