PLC controls two servo motors to work: the main shaft makes a fixed circular motion, and the slave shaft is required to follow the main shaft to do cyclic forward and reverse rotation within a certain...
How is the compensation of programmable pressure sensor performed? (such as MLX90807) Does the sensor to be tested need to be placed in a container for compensation (change the pressure and temperatur...
[table] [tr][td]First create a project directory and copy public files: copy the library directory in the FWlib directory in the STM32 software library to the directory of the project to be built[/td]...
[i=s] This post was last edited by paulhyde on 2014-9-15 04:15 [/i] Dear brothers and sisters who participated in the national competition, can you show us your past works? I am a rookie and would lik...
#define LED_ADJ 16#define LED_IOCON (0xFFLED_ADJ)#define LED_OFF()IO1SET=LED_IOCON#define LED_DISP(dat) LED_OFF(); IO1CLR=((dat)LED_ADJ)What do these four lines of code mean?Also, is there any differe...
I would like to ask if the input voltage of ST's L7915CV reaches -26V, the output voltage can no longer be stabilized at -15V? (The situation is like this, I tested the 5 ST L7915s I bought yesterday,...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]