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Huawei has officially announced that it will launch its first vertical folding screen mobile phone - Huawei P50 Pocket at the winter flagship new product launch conference on December 23. Guan Xiao...[Details]
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1. Linux-2.6.28.7 kernel configuration process 1. After the newly compiled kernel is downloaded to FLASH, an error message appears after starting Linux, saying that the rootfs entry cannot be found...[Details]
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OPPO Vice President @沈义人Brian said last night that the OPPO Reno phone now has low-brightness flicker-free dimming, which is previously known as DC dimming. Now users can choose to turn it on ...[Details]
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Introduction and use of flue gas analyzer
Flue gas analyzer is an instrument used to measure the pollutant gas components in the flue gas produced by fuel-burning industrial boilers. It is generall...[Details]
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introduction
High-current direct current is an indispensable power supply for the metallurgical, chemical and nonferrous processing industries. Nowadays, the more commonly used schemes in China are...[Details]
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Today, blogger @数码闲聊站 revealed that Redmi will launch a model equipped with Qualcomm Snapdragon 870 chip in the future. Currently, the Redmi K40 is equipped with Qualcomm Snapdragon 870 flags...[Details]
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1. Overview of current vector signal analyzer calibration methods The commonly used signal analyzer (VSA) measurement method currently uses a standard vector signal source. The advantage is that it i...[Details]
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According to the South China Morning Post, official customs data showed that China's integrated circuit (IC) imports fell 4.6% year-on-year in the first two months of 2022, the first year-on-year dec...[Details]
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The T5848 I²S microphone with Acoustic Activity Detection (AAD) provides high-fidelity sound at ultra-low power
Supports IoT and edge AI applications, including wearables, TWS earpho...[Details]
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Use of Multimeter (1) Be familiar with the meaning of each symbol on the dial and the main functions of each knob and selector switch. (2) Perform mechanical zero adjustment. (3) According to...[Details]
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1 DDS Principle 1.1 Explanation in the book DDS (Direct Digital Synthesizer) technology is a new frequency synthesis method. It is a frequency synthesis technology that directly synthesizes the requi...[Details]
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The ADI TMC4671 is a fully integrated servo controller that provides field-oriented control (FOC) for BLDC/PMSM and 2-phase stepper motors as well as DC motors and voice coils. All control function...[Details]
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On June 3, NextVPU, an AI vision chip design company, announced that its Series C financing had been led by Shanghai Gongrong Science and Technology Innovation Fund, managed by ICBC Capital Managemen...[Details]
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The 3C industry is a general term for computers, communications, and consumer electronics, including computers, tablet devices, smart phones, smart wearable devices, and other categories. Data sh...[Details]
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Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]