As the title says, I want to make an intelligent directional fire extinguishing device that can determine the direction of the fire. Is there any expert who can give me some guidance? (Student, newbie...
Rc500 communication is mainly divided into 4 steps . The first step is to find the card, write the communication command 26h or 52h to fifodata, write the command 1eh to command, and get the card type...
I use the pocketPC emulator in evc, and want to display web content in a window. I use the CHtmlCtrl class http://dev.yesky.com/128/2272128_1.shtml, which is written by a foreign expert. I have added ...
I remember someone posted a post about making mp3 in the forum some time ago. It seems that the microcontroller is LPC2132 and the display seems to be Nokia 5110. Now I have looked for it but can't fi...
I wrote a program using .Net, which contains many custom controls and some user controls. The program starts very slowly, at least one minute. I hope you can give me some advice. Thank you in advance....
I want to use the serial port debugging assistant to detect the data measured by DHT11, but my level is too low, so I beg for help from the masters....
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Abstract
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RFID technology will be ubiquitous in the future, and there is no doubt about it, because it brings convenience and timeliness to people, which means efficiency and...[Details]
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
1 Introduction
In the current test field, the correlation detection method is increasingly widely used for filtering. Correlation filtering can easily separate a signal of a specific frequency...[Details]
Chapter 1 Proposal
Endless salespeople interrupt your normal work schedule;
Employees leave their work stations without permission during working hours;
Unauthorized persons ente...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
Abstract:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[Details]
Abstract
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
The full name of RFID is Radio Frequency Identification, which uses radio frequency to realize data transmission between programmable controller (PLC) or microcomputer (PC) and identification, ther...[Details]
"Where am I? Where am I going? Where is he/she? How far is he/she from me?..." Do you often have such questions like me? In fact, who can deny that these are questions that we often think about, ev...[Details]