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LED luminous efficacy continues to improve. In order to meet the requirements of high brightness, the power of a single component has also increased significantly, especially the high heat conditio...[Details]
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Apple's first 5G mobile phone was poured cold water on by the American media after its debut. Under the existing 5G network conditions, many functions of the iPhone 12 in the hands of most Americans ...[Details]
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1. Basic circuit topology and working principle
LED driver
circuits
based on
inductive boost
switching converters
are widely used in the backlighting of battery-powered consum...[Details]
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When searching for information online, I found an article introducing the use of printf() function in keil. I copied it here as a memo.
In Keil, printf sends data to the serial port by default. Th...[Details]
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In real-time control systems, the most important indicator for selecting a microcontroller is the calculation speed. The instruction cycle is an important indicator that reflects the calculation spee...[Details]
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On the morning of May 26, a few weeks after Apple announced the discontinuation of the iPod touch, the company has begun removing the device's page from its website in some countries. The i...[Details]
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At present, many buildings in China still generally use dry-type transformers with low-voltage cable distribution boxes to achieve decentralized power supply, which brings a lot of inconvenience to...[Details]
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Electrical System
Common Inspection Locations
Abnormal heating caused by high resistance or excessive current is the main cause of many faults in electrical systems. With infrared ther...[Details]
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1. Creation of K10 BSP package
When developing for Kinetis series MCUs based on MQX4.0, the support of the BSP of the corresponding MCU is usually required. However, there is no ready-made BSP pa...[Details]
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1 Overview
The strong oxidizing and sterilizing ability of ozone makes it widely used in many fields such as water treatment, chemical oxidation, food processing and medical health. The physical st...[Details]
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According to Electrek: American solid-state battery manufacturer Quantumscape has provided some exciting updates around its solid-state battery technology. In addition to making progress in the pilot...[Details]
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Serial communication is often used to exchange data and information in data communications, computer networks, and distributed industrial control systems.
In 1969, the American Electronics Industr...[Details]
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A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but requires the minimum number o...[Details]
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In the calibration work of high-temperature precious metal thermocouples for many years, I have accumulated a lot of data and found that some newly made standard thermocouples, especially the standard...[Details]
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Production efficiency.
Features of the mechanical control stage
In the mechanical control stage, the control system is mainly composed of mechanical components, such as gears, l...[Details]
Analog electronics
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