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The factory-preinstalled JZ2440 development board has already burned the bootloader, kernel and file system. However, during specific use, we found that the kernel partition divided on the board was ...[Details]
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The latest news about Sony's WH-1000XM4 flagship Bluetooth noise-cancelling headphones has leaked online. The information comes from Twitter user justplayinghard, who dug out some information a...[Details]
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Introduction At present, embedded systems have been increasingly widely used in various fields such as industrial control, home appliances, mobile communications, and PDAs. As users have higher a...[Details]
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1. Rectification and filtering circuit
The task of the rectifier circuit is to use the unidirectional conductivity of the diode to convert the positive and negative alternating 50Hz grid v...[Details]
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The non-isolated LED driver power solution has many advantages such as small size, high energy efficiency, and low cost, and has become a hot application. This article introduces a 10W non-isolated L...[Details]
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UART basic introduction: Universal Asynchronous Receiver/Transmitter UART has very powerful functions We only use the full-duplex asynchronous communication capabilities of the UART, using interr...[Details]
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Let's take a look at the Boot Block. The Boot Block is a piece of code that is fixed in the chip by the manufacturer when the chip is produced. This code is first run after the ARM is reset. The fo...[Details]
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Abstract: This paper introduces a method for measuring battery capacity, which is to calculate the energy charged into and discharged from the battery and multiply it by the corresponding loss coef...[Details]
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Transformer load detection is to conduct system-level tests on the insulation impedance, withstand voltage, no-load characteristics and other parts of the formed transformer. The test challenges ar...[Details]
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Electromagnetic compatibility (EMC) refers to the ability of a device or system to work normally in its electromagnetic environment and not cause unbearable electromagnetic disturbance to anything ...[Details]
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For the noise of switching power supply, besides the chip itself, the layout design is the most important. Here are some related tips. Many concepts about EMI are universal. Let's talk about some key...[Details]
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With the rapid development of infrared technology, it has been widely used in many fields such as military defense, remote sensing detection, and non-destructive testing. Due to the imaging mechani...[Details]
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(Image source: Panasonic Automotive official website) Panasonic Automotive, a leading global supplier of automotive infotainment and connected system solutions, has launched a new Friction Free Co...[Details]
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September 2024 Pure electric/battery-swap heavy trucks
Battery loading status
According to the latest terminal sales data and new car announcement data stati...[Details]
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Functional Description
NS4158 is a 5W high-efficiency mono digital audio amplifier with anti-distortion function, ultra-low EMI, no filter required. The unique anti-distortion function can det...[Details]