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At present, in some missile-borne equipment, due to the large amount of real-time image data collected, a very high transmission rate is required when transmitting data between it and the ground test ...[Details]
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The main purpose of this experiment was to make a two-tone doorbell that could make a "ding dong" sound. In the end, although the circuit board was soldered and the components were assembled, it still...[Details]
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What is an Inductive Boost DC/DC Converter?
As shown in Figure 1, a simplified inductor-type DC-DC converter circuit, closing the switch causes the current through the inductor to increase. Op...[Details]
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On September 9, the Legislative Affairs Commission of the Standing Committee of the National People’s Congress held a press conference.
Spokesperson Wang Xiang said that regarding the seco...[Details]
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A common anode digital tube refers to an eight-segment digital tube in which the anodes (positive electrodes) of the eight-segment light-emitting diodes are connected together, while the segments cor...[Details]
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1. Overview From the previous blog, you can know how to implement the IIC protocol with code. This blog does not involve the content of the protocol, but only explains how to use it. The sens...[Details]
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The role of microphone amplifier
Microphone amplifier is abbreviated as "preamplifier". It is a device that amplifies the signal input by the microphone. The full name of preamplifier is: micr...[Details]
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1. Matrix keyboard 1. Working principle A matrix keyboard consists of row lines and column lines, and the keys are located at the intersection of row and column lines. A 4x4 row and colum...[Details]
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Raja Koduri, Intel's senior vice president and general manager of architecture, graphics and software, made his first public comment on the Metaverse strategy, saying that chip computing power needs ...[Details]
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Beijing time, September 15th morning news, it was reported that 5G data and connected devices have seen explosive growth. In order to meet the demand, Arm announced the launch of the next-generation ...[Details]
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The true density test of powder refers to the ratio of the mass of powder to its true volume (the true volume does not include the closed pores inside the powder particles). Therefore, the true densi...[Details]
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We skip all the introductory descriptions of ARM and go straight to the issues that engineers are most concerned about.
To design an ARM-based SoC, we must first understand the structure of an ARM-ba...[Details]
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Since the advent of high-brightness white LED, it has attracted attention from all countries in lighting applications due to its high luminous efficiency, good power saving effect, no pollution a...[Details]
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1. First, you need to define two data structures at the beginning:
static struct class *firstdrv_class;
static struct device *firstdrv_device;
2. Create the corresponding devic...[Details]
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Two major factors are currently influencing the future of vehicle transportation and semiconductor technology. The industry is embracing exciting new ways to power our cars with clean electricity w...[Details]