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With the development of wireless technology, wireless network technology is increasingly being put into practical applications. Wireless sensor networks are generally distributed over a wide range, a...[Details]
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1 Pyroelectric sensor and its detection principle
1.1 Introduction to PIR (Pyroelectric infrared Sensor)
Pyroelectric sensor is a new type of passive infrared detection element, made of ...[Details]
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Almost all hardware engineers have come across switching power supplies. There is a lot of information on the Internet. The author also often comes into contact with switching power supplies and su...[Details]
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Faced with a wide variety of uninterruptible power supply products on the market, how to choose and how to identify the quality are the primary considerations. At present, uninterruptible power...[Details]
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Transistors (also known as triodes) can be divided into NPN type and PNP type. Currently, the commonly used NPN type triodes are 8050, 9013, 2N5551, etc., and the PNP type triodes are 8550, 9012, 2...[Details]
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With the development of the pure electric vehicle industry, the integration level of electric drive assemblies is getting higher and higher, and domestic parts manufacturers have launched "two-in-o...[Details]
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1. By brand
Several popular world brands of laptop chargers (in alphabetical order):
Acer (Chinese: Acer, also a world-famous laptop brand)
Acharger (Chinese: The world's first p...[Details]
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Three-phase bridge full-controlled rectification and DC motor speed regulation experiment principle
The three-phase bridge fully controlled rectifier circuit can use a trigger to control the c...[Details]
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Although most CO2 sensors use infrared (IR) technology, electrochemical sensors are a serious competitor due to their high sensitivity, wide measurement range, and low price. Typically, electrochemic...[Details]
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Today, Xiong Junmin, Vice President of Honor Business Department (Product), published a long article to explain how the Honghu 818 chip improves the picture quality of Honor Smart Screen. Xiong Jun...[Details]
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1 Introduction
The main drive of the vertical roller mill of the 1580 hot-rolled strip steel plant of Nippon Steel adopts the upper drive type. The main motors located on both sides of the center l...[Details]
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1. Model selection
1. Choose a model with familiar programming software. I often receive some letters, especially some users who use programmable controllers (PLC) for the first time, asking w...[Details]
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1 Introduction
With the rapid development of test equipment, its performance has attracted more and more attention. After a period of time, the test equipment needs to be tested. As an imp...[Details]
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Apple's M1 chip, launched in late 2020, revolutionized the Mac with its huge leaps in performance and battery life. Now, the company is preparing a high-end version of the chip to take it to the next...[Details]
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On November 3, Xiaomi Motor recently explained in detail the battery technology details of SU7 Ultra when answering questions from netizens.
The company emphasized that the r...[Details]
MicroPython Open Source section
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