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When you plug nearly any small computing or consumer electronic device into an electrical outlet, you'll find that the plug you hold is mostly connected to an external power supply (EPS). The EPS is e...[Details]

What is a digital multimeter? How should it be used? As we all know, digital multimeters are portable devices for basic fault diagnosis, and there are also devices placed on the workbench, and some c...[Details]

If 2023 is the first year of the concept of humanoid robots , then 2024 will be the beginning of the bayonet fight. Humanoid robots are so beautiful that giant companies are betting ...[Details]

The triangle wave generator composed of two op amps is shown in Figure 35.3-37A. It is a triangle wave generator composed of two operational amplifiers. It is composed of hysteresi...[Details]

Introduction The implementation of parallel testing can be divided into software and hardware. The key to implementing parallel testing in software is the decomposition and scheduling of test tasks, ...[Details]

Comparison of conventional LED aging tests Generally speaking, especially high-power LEDs, will have a certain degree of luminosity attenuation during the initial lighting stage. In order to...[Details]

　　Machine vision is a relatively new research field. Machine vision has been developed for 15 years. As an application system, its functional characteristics are gradually improved and developed with...[Details]

　　Why write your own bootloader? 　　My first serial bootloader was a UART bootloader for Microchip PIC16 microcontrollers. I named it HyperBootloader_PIC16. I will explain why I chose this name below....[Details]

Distributed photovoltaic power stations are increasingly entering the homes of ordinary people. Installing a photovoltaic power generation system on the roof can not only meet the household electri...[Details]

  　　Various national standards for motor testing have made relevant requirements for motor test systems. The following four standards can summarize the requirements for most motor tests.   　　● ...[Details]

This morning, Chang Cheng, Vice President of Lenovo Group and General Manager of Lenovo Mobile Business China, released a poster with a one-day countdown to the Lenovo Z6 Youth Edition launch, reveal...[Details]

ARM microprocessor supports 7 operating modes, namely: 1. User mode (usr): the normal program execution state of the ARM processor; 2.      Fast interrupt mode (fiq): used for high-speed data tran...[Details]

1. MCU working state and its state transition The various activities of the 80C51 microcontroller can be described as multiple different working states or working modes. Here, we use a mic...[Details]

MAX660 can convert positive input voltage into negative output voltage, or negative input voltage into positive output voltage, and can also generate double voltage, that is, the output voltage i...[Details]

Imagine coming out of the supermarket with the items you just bought in both hands and unable to take out the key to open the car door. What should you do? It is very convenient to use the PKE key....[Details]