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...
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]
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]
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]
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]
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
Power technology
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