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Today, Xiaomi App Store announced measures to optimize package uploads on the developer site, removing the restriction that 32-bit packages must be uploaded. Developers can independently decid...[Details]
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On the morning of November 4, Apple cancelled Touch ID for several years and has been pushing Face ID. At the beginning of the year, due to the epidemic, people had to wear masks, which made Fa...[Details]
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Yesterday, Xiaomi officially popularized 10 knowledge points about 5G mobile phones. Lu Weibing, vice president of Xiaomi Group and general manager of Redmi brand, forwarded the Weibo post and said: ...[Details]
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Integrated driving and parking is becoming a hot topic that car companies are rushing to deploy, and it is also a hot topic that consumers are paying attention to. Looking at the current star model...[Details]
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This application note discusses the development trend of light emitting diodes (LEDs) in general lighting applications, compares the performance of LEDs with other lighting technologies, and analyz...[Details]
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Flyback switching power supplies are widely used due to their simple circuits and relatively low electromagnetic interference. They also put forward higher requirements for the output voltage spikes...[Details]
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Vivi is a bootloader developed by Mizi, a Korean company, for ARM9 processors. Vivi has two working modes: boot loading mode and download mode. The boot loading mode can automatically start the Linux ...[Details]
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According to the latest research report released by Strategy Analytics, the year-on-year growth rate of mobile computing demand in 2020 was double-digit. In the past 2020, tablet computer vendors pro...[Details]
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Use NFS to mount the root file system to start the development board and the following appears:
1 nfs xxx is not responding,still trying
2 nfs xxx is OK
3 nfs xxx is not respon...[Details]
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After State Grid Corporation of China proposed the strategic goal of "three types and two networks, world-class", it actively carried out business format and model innovation. Recently, at the comp...[Details]
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Finite impulse response (FIR) and infinite impulse response (IIR) filters are both commonly used digital signal processing algorithms - especially for audio processing applications. Therefore, in a...[Details]
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As automotive design engineers begin to adopt technologies widely used in other industries, the way drivers enter their cars has become increasingly convenient. Throughout the industry's development,...[Details]
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4 uses C2051 microcontroller, and uses cheap and easy-to-get 74LS164 and 74LS138 as expansion chips. 74LS164 is an 8-bit serial input and parallel output shift register. Its function ...[Details]
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Introduction In industrial control, it is often necessary to inspect and control certain temperatures, control the start and stop of motors at a fixed time, and control multiple unloading and feeding ...[Details]
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1. Kernel modification
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Make the Bluetooth core into a module.
And configure as follows,
Blueto...[Details]
Power technology
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