(1) The power line is an important way for EMI to enter and exit the circuit. Through the power line, external interference can be transmitted to the internal circuit and affect the RF circuit indicat...
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Since the beginning of the 20th century, motors with adjustable speed transmission have been widely used in the steel industry and the automobile industry. The speed control system used for AC motor s...
Arteli - 32-bit MCU innovation leading brand (high performance, high cost performance)1. Established shortly, developed rapidly. In just 4 years, it can achieve complete pin-to-pin replacement for ST3...
Over the past three years, some managers of Foxconn factories in mainland China have stolen iPhone parts and helped some businessmen obtain and assemble defective iPhones. After completion, these "ass...
The waveform of the motor changes rapidly when it starts and stops. The usual way to test the start and stop is to use an oscilloscope, but the accuracy of the oscilloscope is low and it is impossibl...[Details]
The integration of the secondary of AC/DC redundant power supplies has been largely ignored by semiconductor manufacturers. As a result, there are many discrete components such as operational ampli...[Details]
Glucose is the sugar we absorb from food. It is the "fuel" that powers every cell in the human body. So can glucose also power medical implants? Engineers from the Massachusetts Institute of Technolo...[Details]
I have not been very clear about various memories before, so let's summarize them today. Memory is divided into two categories: RAM and ROM. I will not talk about RAM, but mainly ROM today. ROM and...[Details]
We are fortunate to live in an
era of
display
technology revolution.
Since the discovery of organic electroluminescence
by
Deng Qingyun
, a Chinese researcher at Kodak in 1979...[Details]
When using a vortex flowmeter to measure the cooling capacity of ice and brine, the following issues should be noted:
(1) Pay attention to choosing a vortex flowmeter with a suitable diameter, and...[Details]
As more and more electric vehicles enter the public eye, the charging technology requirements for electric vehicles are becoming higher and higher. The ISO 15118 protocol shows that electric vehicles...[Details]
Let me first ask you two questions: An 8-bit microcontroller defines an int type variable. How many bytes does it occupy? A 32-bit microcontroller defines a char type variable. How many bytes does it...[Details]
The DC motor speed control system has the following function buttons: forward P2^3 output PWM P2^4 is 1 reverse P2^4 output PWM P2^3 is 1 PWM duty cycle +1 start/pause The DC motor speed control sim...[Details]
Everyone is familiar with oscilloscopes, but you may not have heard much about differential oscilloscopes. In fact, I am the same. Although the Pico oscilloscope series has always included the Pico342...[Details]
This study focuses on CuSn intermetallic microbumps (μbumps) as a means of chip stacking. Two methods for forming IMC bump connections are systematically investigated. First: transient liquid phase (T...[Details]
Questions about PIC microcontroller in-circuit programmer and in-circuit emulator
1.1 In-circuit serial programming interface
PIC microcontrollers with Flash memory generally have an online seria...[Details]
According to Korean media TheElec, Samsung is researching and developing a new material for making focus rings. A focus ring is a commodity product used in the etching process of wafer manufacturin...[Details]
At present, the mainstream speech recognition framework is still composed of three parts: acoustic model, language model and decoder. Some frameworks also include front-end processing and post-proces...[Details]
The closed-loop servo control system is an automatic control system with high precision, high response speed and high stability, which is widely used in industrial automation, robotics, aerospace, ...[Details]
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