I added this before because I felt that it could clearly distinguish original articles from non-original articles, but some friends said that it was too utilitarian, so the rules were slightly modifie...
The emergence of DSP chips is to solve a large number of digital computing problems. By integrating dedicated adders, multipliers, address generators, complex logic and other hardware units, DSP can a...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:28[/i] I need help with using TI motor driver chip DRV8412 to control stepper motors with MSP430. If anyone has used this chip before, please...
[size=5]Nowadays, many equipment and instruments are using rechargeable lithium battery packs (lithium battery packs are equipped with battery protection boards). For waterproofing reasons, after the ...
For example, PA6 -- CH1/IN6 PA7 -- CH2/IN7Now I want to capture the duty cycle of PWM, that is, I need to use PWM mode. Two input ports are used.However, according to the ST data, ch2 is internally co...
[size=4]PCB designers should first know the direction of the signal current of a circuit schematic. However, this question is very simple. According to international practice, the input terminal is lo...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[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]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[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]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Stepper motors have been widely used in automatic or semi-automatic equipment such as CNC machine tools, medical equipment, and instruments. The usual way to control stepper motors with computers i...[Details]
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