Hello everyone, I used to develop applications in 2000 and XP with VC++. Recently, a department suddenly asked me to write EVC programs. I am a little overwhelmed. I feel that many functions are the s...
[i=s]This post was last edited by Mr. Bear on 2020-4-20 16:29[/i]1. Unboxing
I received the development board on the morning of April 11 and found that the board was much larger than I had imagined. O...
： This paper introduces a loop controller which uses the voltage driven pulse width modulation control integrated circuit TL494 as the core component and adds a simple filter circuit and RC discharge ...
[b]I'm very sorry, the update of the uS project will be temporarily stopped. [/b]:Cry:[color=#008000][size=4][b] Recently, I've been a bit busy at work and it's hard to cope. In addition, the expected...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] [p=26, null, center][size=16px][/size][/p][p=26, null, left][size=16px]Xiaomi Technology today officially released the Xiaomi TV...
（*(volatile unsigned int *)）Detailed explanation of Aladdin Shendie 10/10/06 When looking at the vivi code, there is the following paragraph in the Nand_read.c file #define __REGb(x) (*(volatile unsig...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Embedded System
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