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1 Introduction
In Linux system, all external devices are regarded as a file under the directory /dev, that is, the system treats external devices as special files and provides a standard inter...[Details]
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I am currently reading "Complete Manual for Embedded Linux Application Development" by Wei Dongshan, and I came to the interrupt section. The book says to burn the program into NANDFlash. When the mi...[Details]
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The zero-crossing power regulation circuit introduced in this article is simple but can work reliably. It is suitable for power regulation of various electric heating appliances, power regulation o...[Details]
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Introduction Energy efficiency is one of the most important design considerations when developing building automation products. Some new wireless smart sensors can operate for more than five year...[Details]
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Sony (China) Co., Ltd. released a new Dolby Atmos soundbar - HT-X8500. Following the HT-ST5000, HT-Z9F and HT-X9000F, which have achieved great success in both market and reputation, the company is l...[Details]
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I. Overview
RS-422A bus is the "Electrical Characteristics of Balanced Voltage Digital Interface Circuits" standard published by EIA. This standard is formulated to improve the electrical ...[Details]
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The project uses the STM8S003 microcontroller. When the data transmission rate is slow, everything works fine. When the rate is fast, the system freezes. Specifically, the interrupt service program k...[Details]
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1 Introduction
Most of the control systems in industrial sites are controlled by PID controllers, and the tuning of their PID parameters requires certain control theory knowledge a...[Details]
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According to 9to5Google, users reported that the glass back cover of Google Pixel 4 XL was warped. Some users posted on Reddit and Google forums that the glass back cover of their Pixel 4 XL ...[Details]
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On February 17, the first power battery of Lingong New Energy rolled off the production line. Zhang Weifeng, deputy secretary of the Party Working Committee of Yihe New District, director and party...[Details]
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Introduction: Guided by SoC software-hardware co-design methodology and verification methodology, this paper systematically introduces the construction process and specific implementation of the soft...[Details]
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1. Register addressing
Register addressing mode can be used to access the 8 working registers R0~R7 in the selected register area. The register used is indicated by the lower 3 bits of the instructi...[Details]
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1. Cross-compile Python
见 Cross Compiling Python for Embedded Linux
CC=arm-linux-gcc CXX=arm-linux-g++ AR=arm-linux-ar RANLIB=arm-linux-ranlib ./configure --host=arm-linux --build=x86_64-linux-...[Details]
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In today's world where energy shortage and environmental pollution are becoming increasingly serious, fully developing and utilizing solar energy is an energy strategic decision for sustainable d...[Details]
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State Grid Gansu Electric Power Company reported on the 25th that the cumulative installed capacity of new energy storage in Gansu Province has reached 4.011 million kilowatts, and the total energy ha...[Details]