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On the morning of February 8, a Motorola patent was recently approved by WIPO (World Intellectual Property Organization). Judging from the patent drawing, the product is tall and narrow, and fo...[Details]
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Editor: The key driver involves the writing of Linux interrupt programs. 1. Button schematic diagram. 2. Writing and transplanting drivers. Create a new driver file mini2440_buttons.c in the /l...[Details]
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A real-time location management system (Wi-Fi RTLS) uses the Wi-Fi real-time location system engine and related hardware Wi-Fi electronic tags from Ekahau, USA. The system uses Wi-Fi communication te...[Details]
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1. Two-way (two-way) and three-way (three-way) speaker systems
Two-way
Speaker
The system structure is simple and the cost is relatively low. In order to solve the lack of this mid-ran...[Details]
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The porting of QTE and QPE on ARM board is a headache for many technical friends. The author has sorted out his thoughts recently and published the article for your reference. Please correct me if the...[Details]
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Wu Jun's "three consecutive qualities" pushed him to the "top of the public opinion wave". Wu Jun, the author of "The Wave" and former vice president of Tencent, was also merciless when talking abo...[Details]
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If two people need to practice duplex telegraph transmission at a long distance, each person can hold a telegraph code trainer and connect them with a two-wire plug at the output. When one part...[Details]
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Application of AC coupling and DC suppression mode
When it comes to noise and/or ripple on DC power rails, a very common practice is to use AC coupled oscilloscope inputs or use pr...[Details]
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1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
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1. Data transfer instructions summary 2. Summary of arithmetic instructions 3. Summary of control transfer instructions 4. Summary of logical operation instructions 5. Summary o...[Details]
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Synopsys Helps The Linux Foundation Identify the World's Most Widely Used Open Source Application Repository
Latest open source census report released
Synopsys' 2021 O...[Details]
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O Introduction
With the improvement of communication standards, the development of large-scale integrated circuit industry and the emergence of various embedded operating systems, network communica...[Details]
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In recent years, the focus on active safety of automobiles has increased. At the same time, the number and types of related automobile safety systems are also increasing rapidly. On May 16, Fujit...[Details]
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/************************************************************************* * Debian for ARM * illustrate: * Tried Debian for ARM and installed MySQL, but encountered the sam...[Details]
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Embedded applications include signal processing algorithms and control algorithms, which together perform necessary functions in many real-time embedded systems, so we need to understand how contro...[Details]
Embedded System
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