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We often hear about individuals buying iPhones and then having problems, but rarely hear about merchants having problems. In fact, there are many cases of merchants having problems, but most merchant...[Details]
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"Let's be honest" What I want to introduce to you today is how to evaluate the ENOB indicator of an oscilloscope conveniently and quickly! The vertical resolution of an oscilloscope usually refers ...[Details]
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How to get more power The power architecture of many handheld industrial or medical devices is often similar to that of large-display smartphones. Typically, 3.7V (final charge or "float" voltage ...[Details]
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In the previous lecture, we created an STM32 project. From this lecture, we will delve into the STM32 core and peripherals.
First, let's introduce the GPIO of stm32. This is the startin...[Details]
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1Pin arrangement, name, function and usage
Both M57957L and M57958L adopt single in-line standard 8-pin thick film integrated circuit package. Its appearance and pin arrangement are shown in Fi...[Details]
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With the successful launch of the Motorola edge X30 series of mobile phones, Motorola has regained attention in the domestic mobile phone market. Recently, Chen Jin, general manager of Lenovo China's...[Details]
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The baseline elimination circuit first inputs the shaped nuclear pulse signal into a first-order low-pass filter circuit to extract the DC component, and then subtracts it from the original signal to...[Details]
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Circuit principle: The TDA2030A power amplifier board consists of three major parts: an attenuated tone control circuit with separate control of high and low frequencies, a TDA2030A amplifier cir...[Details]
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USB Introduction
USB (Universal Serial Bus) is a universal serial bus used to connect peripheral devices such as keyboards, mice, printers, scanners, digital cameras, MP3, and USB flash drives to com...[Details]
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The key to the development of LED chip technology lies in the substrate material and epitaxial growth technology. The substrate material has evolved from traditional sapphire materials, silicon and...[Details]
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1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs ...[Details]
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Challenge: There are specific requirements for building a machine condition monitoring system: adapting to the harsh environment on site, rich and flexible sensor/data acquisition interface, professio...[Details]
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1 Introduction
The vehicle positioning monitoring system designed this time is a remote monitoring management system developed using the world's leading GPS global satellite positioning te...[Details]
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The GPIO registers in STM8 are: output register (ODR), input register (IDR), direction register (DDR), control register 1 (CR1) and control register 2 (CR2). The latter three register groups can be c...[Details]
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01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]
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