Frequently Asked Questions about Microwave Energy Application Technology Question 1: What is a microwave? Answer: Microwaves are electromagnetic waves like radio waves, infrared rays, and visible ligh...
I saw the 485 circuit of someone else's product as follows. Can anyone help explain the function of adding a transistor between the output terminals AB of this 485 circuit? Thank you...
[size=4]In digital signal processing, sometimes two complex numbers are multiplied, and one of the multiplicands is the conjugate of the original input number. For example: there are two input signals...
Speaking of wheel alignment and wheel alignment equipment, people will definitely ask: Why do car wheels need to be aligned ? So we need to explore this issue first.Why do wheels need to be aligned ?L...
As shown above, a parameter d is assigned a value of 0 in the program, but the compilation prompt does not use it.
There is another parameter c, which is also assigned a value, the same.
There is no o...
There is a fixed reference voltage value inside the STM8L. When the external reference voltage is 3V, the analog voltage value is 1.225V. The converted factory measured voltage LSB value is in the re...[Details]
In this era of drastic changes and innovations, you pursue your opportunities and I have my own moat. 1. Profits gained amid industry turmoil The mobile phone industry, which had gradually ...[Details]
How to connect passive speakers
Nowadays, many homes have special speakers that can be used to play karaoke, but many people don’t know how to connect the speakers. Let’s briefly describe it b...[Details]
Noise pollution, gas pollution and solid matter pollution have been called the three major pollutions in the world today. Excessive noise can damage people's health, such as neurasthenia and neuros...[Details]
Abstract: Embedded systems based on DSP have the advantages of real-time and parallel processing, which are also important technologies in embedded systems. On the basis of discussing the basic ...[Details]
Introduction Matrix keyboards are generally 4 × 4 or 4 × 3. The judgment methods of matrix keyboards are divided into row scanning and column scanning. Simply put, it is to give a high level to the...[Details]
You don’t need to drive anymore! Just tap your phone! Today, we have entered the 5G era. As the Ministry of Industry and Information Technology issues 5G commercial licenses, major mobile phone man...[Details]
Now people are beginning to realize that light decay is the main reason why high-power LED street lamps cannot work for a long time, and they are also beginning to realize that an important way to ...[Details]
Overview
Modern
RF
instruments
have impressive measurement capabilities and accuracy that far exceed their predecessors. However, these instruments cannot reach their full potent...[Details]
01Drive and protection
Let's use an example to talk about the drive and protection of the switch components in the main circuit of the inverter. The circuit diagram is as follows:
...[Details]
In the early switching power supplies, the sampling work was mainly done by triodes and diodes. However, due to the large difference in their parameters, it would cause certain obstacles to debugging...[Details]
introduction Waveform refresh rate is one of the important indicators for judging the performance of digital oscilloscopes. It directly reflects the ability of the oscilloscope to capture waveform de...[Details]
In recent years, electronic products have been developing towards small size, light weight and complex functions. Printed circuit boards (PCBs), as the main and indispensable basic parts of electroni...[Details]
According to foreign media reports, Ford Motor Company has applied for a new patent for its advanced interior lighting system, which may be used in future Ford vehicles. The patent was submitted on...[Details]
RF/Wirelessly
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