Today I did some ADC external voltage sampling, sampling a single 1.5V Huatai battery. The voltage measured by the multimeter was 1677 mV, and the result measured by LM3S9B92 was 1637 mV. This result ...
I was on a business trip a few days ago. Today, I received a parcel from my colleague. When I opened the package, the small board made me excited. What made me even more happy was a letter to a friend...
[size=4]F206 has three independent storage spaces for program, data and I/O, each of which is 64K×16 bits, of which the on-chip dual-access RAM is 544 words (288 words for data, and the other 256 word...
Since the dynamic mathematical model of the asynchronous motor is a high-order, nonlinear, strongly coupled multivariable system. In the 1970s, Siemens engineer F. Blaschke first proposed the asynchro...
With the development of the Internet of Things, the embedded processing field increasingly needs powerful digital signal processing capabilities. ARM has launched the ARM Cortex-M7 based on the origin...
A while ago, I saw a smart bracelet on PDD for less than 10 yuan, so I bought one and planned to disassemble it for analysis. However, due to time constraints, I never did it, and finally took the tim...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[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]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]