The circuit is about the use of a "DO sensor". DO1 is to input 0.7V voltage to the sensor, and DO2 is the sensor outputting a current of microampere to nA as the reading value. What I don't understand...
I am a beginner in ZIGBEE, and I am using the CROSSO STUDIO experimental board. When I was flashing the SerialApp routine to do PC serial port transparent transmission, I failed. I would like to ask t...
Lead-free process analysis good stuff to share with you! "Lead-free process analysis" Graphical introduction: 1. Solder paste printing process 2. Reflow soldering process 3. Wave soldering process 4. ...
Application of GPS system in taxi industry The application of GPS system in taxi industry is mainly reflected in the flexible taxi dispatching system. Users only need to call the dispatching center, a...
I always make mistakes when debugging the program, and then I find the problem lies in the ldr pseudo-instruction by single-stepping, so I wrote an assembly file and ran it on the arm, and found a str...
Usually we are eager for customers to come and get the goods quickly, so that we can improve our sales. But many times we still don't like the visit of some customers. It's not that we don't like them...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Power technology
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