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According to the news from Chedongxi on October 9, the Royal Swedish Academy of Sciences announced this afternoon that the 2019 Nobel Prize in Chemistry was awarded to John B. Goodenough, M. Stanley...[Details]
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Secure Boot Firmware
The secure boot firmware of automotive MCU is a security mechanism used to protect automotive electronic systems from malware and unauthorized code modifications. Its main...[Details]
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Power management is the art and science of maximizing the efficiency and performance of RF devices by optimizing input and output signals, and it’s no easy feat. Every network device has its own un...[Details]
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Zener diode
1. Structure and characteristics of voltage regulator tube
Voltage-ampere characteristics of voltage regulator tube
A voltage regulator (also called a Zener diode) i...[Details]
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As we all know, liquid level transmitters are also called liquid level meters. Liquid level measurement using liquid level transmitters usually refers to the detection of the height of liquid levels i...[Details]
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Saudi Basic Industries Corporation (SABIC) released its second quarter 2023 financial report today. The company's sales in the second quarter were 37.17 billion Saudi riyals ($9.91 billion). The comp...[Details]
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Block diagram (SBD) of a server AC/DC power supply and telecom rectifier using TI's analog PFC and PWM controllers and high-performance drivers and transceivers.
Block Diagram
Design ...[Details]
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This paper introduces an intelligent voice dial alarm system with automatic dialing, detection and sound playback based on AT89C51 single chip microcomputer as the control core. The circuit structu...[Details]
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(PWM) Pulse Width Modulation Pulse width modulation is an analog control method that modulates the bias of the transistor base or MOS tube gate according to the change of the corresponding load to...[Details]
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Preface This chapter will explain the FreeRTOS queue function API in the W80X SDK and give a simple demonstration at the end. 1. What is a queue? In simple terms, a queue is a carrier for data tran...[Details]
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1. Sensors
According to the national standard GB7665-87, sensors are defined as devices that can sense the specified measured quantity and convert it into a usable output signal according to c...[Details]
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At present, the LED fluorescent lamp market is very active, and manufacturers are mainly divided into three categories: the first category is the factory that originally made LED chips, and then pene...[Details]
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Recently, some media exposed a new type of Xiaomi smartphone. What makes this phone different from other models of Xiaomi phones is that its battery part adopts a solar panel design to improve energy...[Details]
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If you ask girls: What is the most important function of a mobile phone for you, most of them will probably tell you the same answer: taking pictures. When photo social networking becomes a daily...[Details]
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When using high-power white light LEDs, it is important to understand issues such as light intensity distribution, color temperature distribution, thermal resistance, and color rendering:
Mast...[Details]
Analog electronics
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