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introduction
Power LED is a key device in the development process of solid-state lighting. The performance of power LED is greatly affected by junction temperature. The temperature rise effect...[Details]
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introduction Random numbers have been widely used in simulation, sampling, numerical analysis, computer programming, decision-making, aesthetics and entertainment. There are two common types of rando...[Details]
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In the fourth, fifth and sixth lessons, Pi Ziheng introduced three types of output files (relocatable, map, and exectuable files) generated by compilers/linkers. These three files focus on the dist...[Details]
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Generally speaking, the control of LCD module is finally completed by MCU operating the internal register and video memory of LCD module; here we design three basic timing control programs, namely:...[Details]
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A mysterious HMD Global smartphone codenamed Nokia Quicksilver has appeared on the website of benchmarking platform Geekbench. The listing reveals that the smartphone will be equipped with 6GB o...[Details]
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We have disassembled the iPhone SE 2, and this time we will reveal the BOM table. The diversity of Apple's supply chain is in line with the "globalization" that Apple has always adhered to. We can ...[Details]
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The project is to detect soil moisture in the corresponding environment, as well as detect air temperature. Software environment: Keil C51 software Hardware environment: KST 51 development (with buil...[Details]
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In the past two weeks, I have used two ICs (PIC16 series and STM8S series) to make a product. It is my first time to use them and I encountered some problems. The summary is as follows: 1: PIC16 si...[Details]
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Figure 1 is a block diagram of a resistor production test system based on a 2400 digital source meter, which is used to continuously feed resistors and calibrate them.
Figure 1
Resistor Produ...[Details]
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Abstract: This paper introduces the design and implementation of a high-power current-controlled flyback DC/DC converter, and proposes a simpler design method for energy storage transformers. A 1...[Details]
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Purchase - Innate factors are very important: When it comes to home audio, it is really "30% depends on usage and 70% depends on selection". After all, we are not DIY audio experts, we mostly buy read...[Details]
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WPG Group launches security monitoring solution based on NOVATEK and SmartSens products
On March 22, 2023, WPG Holdings, a leading semiconductor component distributor dedicated to th...[Details]
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Recently, a new Linux distribution has come into people's view. This distribution is not a general one, but a specialized product for a specific field - the automotive industry. The leading force b...[Details]
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$regfile = "m8def.dat"
$crystal = 8000000
$hwstack = 32
$swstack = 10
$framesize = 40
Config Portd = Output '0-6 connect to LED AG
Config Portb = Output '0,1,2 connect to LED common anode 8,9,1...[Details]
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ARM system clock initialization:
This requires knowing what is a clock pulse signal, what is a clock frequency, and what is a clock source.
Clock pulse signal:
Clock pulse ...[Details]
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