As the title says, I have seen someone use a chip to decode the key frequency transmitted during a mobile phone call, and then input it into a 51 single-chip microcomputer to achieve wireless remote c...
The pin definitions of the two optical modules are exactly the same, so what is the difference between the two optical modules (except that GBIC supports hot-swap function)? Are the peripheral circuit...
"Infineon is the first company in the world to offer a complete range of 8-bit microcontrollers that can be used in ambient temperatures up to 150°C and meet the AEC-Q100 Grade-0 standard," said Juerg...
温照明是指运用人造光源来照明，环境温度在摄氏5度C以下场所，例如冷藏柜、冷冻柜、冰箱、低温工厂、室外照明等。过去低温照明光源以萤光灯为主，如今LED光源在低温照明上也佔有一席之地。1. What is low temperature lighting?
低温照明是指运用人造光源来照明，环境温度在摄氏5度C以下场所，例如冷藏柜、冷冻柜、冰箱、低温工厂、室外照明等。过去低温照明光源以萤光灯为主，如...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
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]
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]
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]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[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]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]
RF/Wirelessly
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