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How to use batteries to judge the quality
of light-emitting diodes The circuit for judging the light emission by using batteries is shown in Figure 1-29.
In Figure 1-29, G is...[Details]
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1. Working principle of MAX639
Buck DC/DC
power converter
It has the function of reducing voltage, which can make U0 U1. Typical products include MAX639. When U1=+5.5V-+11.5V...[Details]
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1. Configuration of current transformer
There are two configurations, depending on the circuit breaker used: a current transformer configuration with a normal open circuit breaker and a current tra...[Details]
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1 Introduction:
At present, LCD TV is rapidly entering families around the world with its advanced technical performance, beautiful and fashionable appearance, stable operation and high reli...[Details]
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The electromagnetic compatibility of basic automobiles has good professional regulations in all test systems, and the completion standards of the corresponding tests are relatively sound, which can...[Details]
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-As an integrated machine tool manufacturer, Nidec is committed to providing machining solutions under the framework of One Nidec-
The Nidec Group (hereinafter referred to as the "Co...[Details]
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LCD12864 is a commonly used graphic liquid crystal display module. As the name implies, it can display 128 dots in the horizontal direction and 64 dots in the vertical direction. By writing data to t...[Details]
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Recently, Joseph Sawicki, executive vice president of Mentor IC EDA, visited China to attend the annual Mentor Forum 2019 Beijing Design Technology Forum. It has been 20 years since Sawicki first cam...[Details]
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When the STM8 microcontroller uses the ADC function to read the values of multiple channels, the single-shot mode can be used. After sampling one channel, reinitialize another channel and then sa...[Details]
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Principles of Organic Element Analysis It mainly uses the principle of high temperature combustion method to analyze the content of conventional organic elements in samples. Common elements in organi...[Details]
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With the support of my friends, I installed an
headphone amplifier
. As always, it is my favorite
pure Class A
circuit
(the famous foreign
DIY
production-...[Details]
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/***************************************************************************************************************************** The timer characteristics are summarized below. ● Five 16-bit timers can...[Details]
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1. The Origin of MMU Many years ago, when people were still using DOS or older operating systems, computer memory was very small, generally calculated in K units. Correspondingly, the program siz...[Details]
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The Nanchang Municipal Government, Qualcomm (China) Holdings Co., Ltd. (Qualcomm) and Shanghai Yingchuang Information Technology Co., Ltd. held a signing ceremony for the "Honggutan New District•Qual...[Details]
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GIC is a very important part of ARM architecture. This article is based on the public ARM corresponding data and the MTK development board. I record it after my personal understanding to consolidat...[Details]