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The process design of LED includes chip design and chip packaging. At present, the packaging technology of high-power LED and its heat dissipation technology are hot topics in today's society. The ...[Details]
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There are two possible scenarios for the wafer market in the second half of 2020: one is that the market uncertainty caused by the COVID-19 epidemic continues to ferment, and the global silicon wa...[Details]
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The microcontroller must start with GPIO. The three LED lights on the development board are PD0, PD2 and PD3, and the KEY is PD7, so the GPIO initialization only needs to initialize the PD port. Writ...[Details]
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This design example shares an in-circuit tester that can be clamped onto each PROM for testing without removing the PROM from the circuit board
. Dealing with older technology presents interesting ...[Details]
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1. Introduction
Electric energy is the most important form of energy in human production and life. The rational, efficient, accurate and convenient use of electric energy is still a major ...[Details]
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Abstract: A modular design is adopted, with a 16/32-bit ARM7TDMI-S CPU microcontroller LPC2132 as the core that supports real-time simulation and tracking, and cooperates with other functional chips ...[Details]
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Jiwei.com reported on July 4 (Reporter Zhang Yiqun) Today, Phoenix.com reported that 360's mobile phone business has been suspended and no new products have been released in the past year. In respons...[Details]
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In the early morning of October 24, Apple finally released the new generation iPhone 12 series, including four models: iPhone 12 mini, iPhone 12, iPhone 12 Pro, and iPhone 12 Pro Max, and introduced ...[Details]
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I bought a MINI2440 development board from Youshan. SuperVivi is not open source, and my own board does not have NOR Flash. Burning the system brought me a lot of trouble. I had no choice but to ma...[Details]
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On October 23, Li Nan, founder of Nu Miao Technology, said that the iPhone 12 mini is expected to be the best mobile phone in the next two years. Li Nan pointed out that many people are worri...[Details]
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Kernel version: linux-3.5 Platform: tiny4412 1. About mixed equipment This version of the kernel LED driver uses the miscellaneous device misc. The specific implementation path of misc.c is: linux...[Details]
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In the design of LED lighting power supply , there are several design problems: the life of electrolytic capacitors does not match that of LEDs, the common causes and solutions for LED flicker, t...[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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1. Application Background In recent years, with the rapid development of China's high-speed rail industry, the demand for high-speed EMUs has continued. The design and production of EMUs is a complex...[Details]
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Light-emitting diodes ( LEDs ) are fragile devices that are susceptible to heat, mechanical shock, electrostatic discharge, and lightning, especially in outdoor applications. The increased use of LED...[Details]
DIY/Open Source Hardware
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