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A remote wireless photometry system based on the combination of ZigBee short-distance wireless communication technology and 3G long-distance wireless communication technology is designed; the system p...[Details]
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Power line carrier communication technology can be widely used in industrial automatic control systems, power management systems, household appliance control systems, fire alarm systems, computer t...[Details]
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2020 is gradually coming to an end, and the analog television that has accompanied several generations of people growing up is about to end. According to the "Notice on the Work Arrangements for the ...[Details]
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Error Analysis The HAL library used has packet loss issues. 定义void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) { if(huart == &huart1) { log_u("********************* h...[Details]
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With the increasing complexity of the functions of contemporary industrial control intelligent products and market competition, the product development cycle is forced to be shortened. Based on the p...[Details]
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This machine has a 12V BT and can also be 24V. My goal is 800W at 12V, and I strive for 1000W. The overall structure is based on the 3000W machine of Zhong Gong. There is also a large heat sink at the...[Details]
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1. Jump Instruction Jump instructions are used to implement program flow jumps. There are two ways to implement program flow jumps in ARM programs: Ⅰ. Use special jump instructions. Ⅱ. Write the jump...[Details]
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one. Operating environment Development board: jz2440 System: ubuntu12.04 Compiler: arm-linux-gcc 2. Special registers The operation of sdram does not need to be set according to ...[Details]
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Many beginners don't know how to use the Proteus simulator to make a music player. Although the function is simple, it is difficult for beginners to get started. I will post the simple process and so...[Details]
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This article was suddenly thought of by a friend while drinking coffee in Guangdong... I have been wanting to write a few blogs about microcontroller output recently, so I wrote them down as soon as ...[Details]
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In the DC motor speed control project mentioned last time, the T2 timer of the S52 microcontroller was used to generate a PWM wave signal to control the speed of the DC motor. Although the ave...[Details]
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Under the circumstance that the load of the Northeast Power Grid continued to be low due to the impact of the epidemic, the Northeast Branch of State Grid Corporation of China scientifically arrang...[Details]
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How to resist interference in single chip microcomputer and digital circuit There are three basic elements that cause interference: (1) Interference source refers to the components, equipment or sig...[Details]
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1.busybox fatal error: curses.h: no such file or directory Solution: The Ubuntu system is missing a package ncurses devel, just install this package $ sudo apt-get install libncurses5-dev 2. Linux ...[Details]
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According to foreign media reports, Google recently submitted a patent application through its subsidiary Waymo, which aims to detect improper driver operation and allow the car's autonomous drivin...[Details]