The basic working principle of RFID technology is not complicated: after the tag enters the magnetic field, it receives the radio frequency signal sent by the reader, and uses the energy obtained from...
Selling some unused solid state drives Samsung 850 and 860evo 850 330 yuan each free shipping for non-remote areas, total 8, no outer packaging. 860evo 400 yuan each free shipping for non-remote areas...
original:
There are two explanations: one is more practical and one more scientific. In microwave transmission systems of the 1930s, coaxial transmission lines were initially fabricated in England wit...
DC/DC step-down converters (also known as buck switching regulators) are small, efficient devices that can be used to regulate an output voltage powered by a higher input voltage. Covering devices wit...
Have you ever experienced the legendary unmanned retail store? It is said that you can enter the store by face recognition, and there is no cashier. You can take the money and run away. It is full of ...
In 2023, 6,415 of the more than 18,000 newly registered electric vehicles in Hong Kong are Teslas, which can be said to be one of the most popular electric vehicle brands in Hong Kong. Tesla official...[Details]
Compared with other light sources,
high-power LEDs
have serious heat dissipation problems, mainly because
LEDs
do not
dissipate heat
through
infrared radiation
. Generally s...[Details]
Laser ranging uses a laser as a light source to measure distance. According to the way laser works, it can be divided into continuous laser and pulse laser. Gas lasers such as helium-neon, argon ion,...[Details]
According to foreign media reports, after launching the iPhone 12 and iPhone 13 series that support 5G network connection, it is generally expected that the iPhone SE will also join the 5G ranks...[Details]
On the evening of July 22, ZTE held an online press conference and officially released the new generation of under-screen camera mobile phone Axon 30 5G. ZTE Axon 30 This is the first true f...[Details]
Many electronics enthusiasts have this experience: although mid-range and high-end digital multimeters have capacitance test gears, the measurement range is generally only 1pF~20µF, which often can...[Details]
Why do I need to set the serial port interrupt priority to NVIC interrupt group 2 in the example? NVIC: The M3 core allows 8 bits for priority grouping, while the STM32 only has 4 bits. The 4 bit...[Details]
Support the healthy development of the industrial ecosystem TUV SÜD, a third-party testing and certification organization (hereinafter referred to as "TUV SÜD"), announced the official release of t...[Details]
Wenling Ocean King patented NSC9730 anti-glare pathway light
Product Description:
It is widely used in indoor and outdoor pathway lighting in highway tunnels, railway tunnels, bri...[Details]
Since solar energy is a clean energy, its application is growing rapidly around the world. Using solar light to generate electricity is a way to use solar energy, but the cost of building a solar...[Details]
In any industry, it is inevitable to see a group of trolls, complaining about the bad guys in the industry and the hard-working people in the profession. Recently, I have seen a lot of people working...[Details]
Automotive connectors are a type of component that electronic engineers often come into contact with. Its function is very simple: to build a bridge of communication between blocked or isolated circu...[Details]
As the leader in the global mobile phone market, Apple's new generation of iPhones every year will receive widespread attention from the outside world early on. According to past practices, if noth...[Details]
NC machine tools and CNC machine tools are two different types of CNC machine tools, and they have some differences in function, structure and application.
Definition and Principle
...[Details]
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