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What is an NFC tag?

NFC tag is a smart tag based on Near Field Communication technology. This technology allows NFC tags to communicate wirelessly with devices such as smartphones and tablets. The NFC tag is internally integrated with a microprocessor, which has the function of receiving and sending wireless signals. At the same time, it also provides energy within the range near the connected equipment.

When smart devices are close to the NFC tag, an electromagnetic induction area will be established between them to realize wireless communication by scanning and exchanging data. The distance of such wireless communication is relatively short, generally within 4 cm. However, compared with other wireless communication technologies, NFC tags have lower power consumption and faster response speed. In addition, the NFC label can be permanently embedded in the product without replacing the battery or requiring additional power supply, which makes it very practical in various application scenarios.

NFC tags are widely used, including but not limited to the following aspects:
1.Information sharing:
Users can easily share information by simply placing the device close to the NFC tag, eliminating tedious connection steps.
2.Access control and security control:
NFC tags can be used in access control systems, such as offices, schools, hospitals and other places, to achieve fast access control. It can also be used to unlock the lock screen of personal devices, providing convenient security protection.
3.Electronic payment:
NFC tags support mobile payment. Users can use smart phones that support NFC technology to complete fast and convenient payment transactions without carrying physical credit cards.
4.Product identity authentication:
NFC tags can be used to verify the authenticity and identity of products, help combat counterfeit and shoddy products, and enhance consumers’ trust in products.
5.Transportation ticketing:
NFC tags are also widely used in public transportation systems. Passengers can quickly swipe their cards in and out by simply putting their mobile phones near the NFC label, which is convenient and fast.
6.Smart tags and tracking:
NFC tags can be embedded in objects for intelligent management and tracking. For example, in the logistics industry, it can be used to track the transportation status and location of goods.

In addition, NFC tags also have innovative applications in smart home, smart retail and other fields. In the field of smart home, by attaching NFC tags to each electrical device, users can quickly set the device, such as adjusting the temperature of the air conditioner, opening curtains, etc., by simply placing the phone close to the tag. In the field of smart retail, by attaching NFC tags to product tags, users can scan the tags through their mobile phones to understand the details of products, participate in relevant activities or purchase, and improve their shopping experience.

In general, NFC tag, as an innovative wireless communication technology, has a broad application prospect. It has brought many conveniences to consumers and enterprises, and is expected to promote the development of more innovative applications in the future.

MKTechnic.com provide many series of professional reasonably priced items about NFC and RFID, such as NFC tag, RFID tag, NFC reader, RFID reader, .etc.
Welcome to visit our RFID/NFC category to check whether our products can meet your requirement.

NFC tag vs RFID tag

About the NFC tag vs RFID tag, there are significant differences between NFC tags and RFID tags in many aspects.

First of all, from the perspective of basic principles and application scenarios, NFC technology is based on radio frequency identification (RFID) technology and works at a frequency of 13.56 MHz, allowing two devices to communicate with each other at a very short distance, usually a few centimeters. NFC devices can act as both readers and tags, making data transmission very convenient. NFC technology is widely used in mobile payment, smart door locks, smart homes, public transportation and other fields. RFID technology is an automatic identification technology that does not require direct contact with the target. It was first used in the 1980s and was initially limited to maritime transportation, traffic information systems and other special applications. It has now been widely used.

Passive UHF KM4Q RFID Tag Label Art Paper Sticker

Secondly, from the perspectives of correspondence, frequency difference, communication distance, one-way and two-way communication, and data reading and writing, the differences between NFC and RFID are as follows:
1.Correspondence:
The reader and tag in RFID can be in a one-to-many relationship, while NFC is a one-to-one relationship.
2.Frequency difference:
RFID has multiple operating frequencies, including low frequency, high frequency, and ultra-high frequency, while NFC only works in the single high frequency spectrum of 13.56 MHz.
3.Communication distance:
NFC’s communication distance is much shorter than RFID’s, which can reach tens of meters, while NFC is only within 10 centimeters.
4.Unidirectional and bidirectional communication:
RFID usually only enables unidirectional communication (from tags to readers), while NFC enables bidirectional communication.
5.Data reading and writing:
Using an RFID reader, data can be written to tags. NFC data can be read and written from tags, and can also be locked to read-only.

In general, about NFC tag vs RFID tag, although NFC tags and RFID tags are both based on radio frequency identification technology, they have different focuses on applications, working principles, and characteristics. NFC focuses more on short-range, one-to-one, two-way communication and data exchange, while RFID has a wider range of frequency options, communication distance, and one-to-many communication capabilities. The choice of which technology to use depends mainly on the specific application scenario and requirements.

What is a terminal block?

What is a terminal block? Terminal blocks are a type of accessory product used to achieve electrical connections, and are classified as connectors in the industrial sector. They are mainly used to achieve electrical connections, making wire connections easier to apply. For example, when two wires need to be connected and disconnected, terminal blocks can be used to provide on-demand switching, without the need to weld the lines, ensuring sufficient current flow. Terminal blocks are faster and more convenient than traditional wiring methods.

Terminal blocks are an important electrical connection accessory, with a variety of different types, each with their own specific application scenarios and advantages. Here are some common types of terminal blocks:
1.Fence-type terminal blocks:
This type of terminal is widely used in high-current and high-voltage environments, providing safe and reliable connections. Through its unique design, the fence-type terminal block ensures stable transmission of current and voltage, reducing electrical accidents caused by poor contact.
2.Spring terminal blocks:
Spring terminal blocks use spring-based devices to clamp wires, and are widely used in electrical and electronic engineering industries such as lighting, elevator control, instrumentation, power supply, chemistry, and automotive power. This type of terminal is easy to plug in and out without the need for tools, saving installation time.
3.Rail-type terminal blocks:
Rail-type terminal blocks use crimping and a unique thread self-locking design to make wiring connections reliable and safe. The design is beautiful and can be used with a variety of accessories, making it suitable for a variety of complex electrical connection needs.
4.Plug-in type terminal blocks:
The terminal is made up of two parts that are inserted and connected. One part compresses the wire and then inserts it into the other part, which is then soldered to the PCB board. Its anti-vibration design ensures long-term airtight connection and reliability of the finished product.

In addition, there are other types of screw-type terminals, crimp-type terminals, wall-through terminals, etc. Each type of terminal has its own specific advantages and application scenarios, and can be selected according to specific electrical connection requirements.

There are various types of terminal blocks with different characteristics, and selecting the appropriate one is crucial to ensuring the reliability and safety of electrical connections. When selecting a terminal block, factors such as current, voltage, and environment should be considered, and relevant installation and usage specifications should be followed.

Terminal blocks are widely used in electrical engineering, electronic equipment, communication equipment, transportation, medical equipment and other fields. Specifically:
1.Home circuits:
In the home environment, terminal blocks are commonly used for connecting electrical devices such as sockets, lamps, and switches to ensure the normal use of household appliances and the safe operation of home circuits.
2.Construction engineering:
Terminal blocks are used in buildings to connect wires and cables, ensuring the reliability and safety of power supply. They play a key role in elevator systems, lighting systems, air conditioning systems, and more.
3.Automotive electronics:
In cars, terminal blocks are used to connect various electronic devices such as engines, lights, and audio systems to provide a stable power supply.
4.Aerospace:
In the aerospace field, terminal blocks are used in aircraft’s instrument systems, communication systems, power systems, etc., to ensure the stable operation of various systems of the aircraft.
5.Communication equipment:
In the field of communication, terminal blocks are used to connect telephones, network equipment, etc., to achieve data transmission and communication functions.
6.Power system:
Terminal blocks also play an important role in the power system, used to connect various power equipment and lines to ensure a stable supply of electricity.
7.Industrial automation:
In the field of industrial automation, terminal blocks are used to connect various sensors, actuators, and control devices to achieve automated production.

In general, terminal blocks are used in places where wiring is required, such as lighting, elevators, mechanical equipment, household appliances, electric vehicles, electrical control systems, etc. They not only provide protection for the normal operation of the circuit, but also facilitate the installation, maintenance, and replacement of wires.

MKTechnic.com provide many series of professional reasonably priced terminal blocks, such as 2.54mm pitch, 3.5mm pitch, 3.81mm pitch, 5mm pitch ,5.08mm pitch series.etc.
Welcome to visit our Terminal category to check whether our products can meet your requirement.

What is gas pressure sensor?

Air Gas Pressure Sensor is a detection device that can sense the measured gas pressure and convert the detected information into electronic signals or other required forms of information output according to certain rules to meet the requirements of information transmission, processing, storage, display, recording and control. It is the primary link in achieving automated detection and control.

The working principle of the air gas pressure sensor is mainly based on the following steps:
1.Elastic element:
The sensor contains an elastic element, usually a thin film or metal spring, that can deform with changes in external pressure.
2.Pressure conduction:
The gas pressure is conducted to the elastic element through the air inlet or pressure hole of the sensor. When the gas pressure increases, it exerts a force on the elastic element, causing deformation on the element.
3.Deformation measurement:
A resistor or piezoelectric element is usually built into the sensor. When the elastic element deforms, it causes changes in the resistance, capacitance, or voltage of the resistor or piezoelectric element.
4.Signal conversion:
The output signal of the sensor needs to interact with electronic devices, so a signal conversion circuit is usually used to convert the sensor output into standard electrical signals, such as voltage or current.
5.Data processing:
The converted signal can be further processed and interpreted by a microprocessor or analog circuit to obtain data related to gas pressure.

The main characteristics of a air gas pressure sensor include the rated pressure range, maximum pressure range, damage pressure, linearity, pressure hysteresis, and temperature range. Among them, the rated pressure range is the pressure range that meets the standard specified value, the maximum pressure range refers to the maximum pressure that the sensor can withstand for a long time, the damage pressure refers to the maximum pressure that does not damage the sensor element or sensor housing, linearity describes the maximum deviation of the linear relationship between sensor output and pressure, pressure hysteresis reflects the characteristics of the output difference when the sensor approaches a certain pressure, and the temperature range involves the compensation temperature range and working temperature range.

The air pressure sensor is widely used in many fields, including but not limited to pneumatic control systems, petrochemicals, environmental protection, air compression, industrial process detection and control, building automation, furnace pressure control, power station operation inspection, etc. In addition, due to its ability to detect extremely subtle changes in barometric pressure, it can also be used in various applications such as car or home burglar alarms, vehicle GPS, medical pulse detection, lie detectors for security departments, and alarming when a person falls into a pool.

In general, the air gas pressure sensor is an important detection tool that converts gas pressure into electrical signals to achieve accurate measurement and monitoring of gas pressure, providing key detection and control methods for various fields.

MKTechnic.com provide many kinds of professional reasonably priced air gas pressure sensor, such as XGZP6847A series.etc.
Welcome to visit our Sensor category to check whether our products can meet your requirement.

What is breakout board?

Welcome to visit our Connector category to check whether our products can meet your requirement.

The breakout board, also known as an expansion board, pinboard or adapter board, is a circuit board or device whose main function is to connect and convert different interfaces, protocols, or signal types so that different devices or components can communicate and collaborate with each other. Pinboards are widely designed and used to solve connectivity problems between various electronic devices.

The adapter plate usually has the following functions and characteristics:
1.Interface conversion:
A switchboard can convert one type of interface to another type of interface. For example, converting a USB interface to a serial interface, or converting an HDMI interface to a DisplayPort interface.

2.Signal conversion:
The adapter board can convert different signal types or protocols, allowing different devices to communicate with each other. For example, converting analog signals to digital signals, or converting one communication protocol to another.

3.Extended functions:
The adapter board can be used to expand the functions of the device. For example, by adding additional interfaces or functional modules, it can increase the input and output capabilities or specific control functions of the device.

4.Adapt to different specifications:
The adapter board can be adapted to interfaces of different specifications or sizes, allowing incompatible devices or components to be connected together.

5.Simplify wiring:
The adapter board can simplify complex wiring requirements, especially in systems that require connecting multiple devices or components.

Adapter boards are used in various fields, including but not limited to computer hardware, communication equipment, audio and video equipment, industrial control systems, etc. They are usually used as intermediate connectors to enable various devices to work together and improve the flexibility and scalability of the overall system.

It should be noted that different adapter boards have different specifications and functions, and users need to match them according to their actual needs when selecting an adapter board to ensure that it can meet the connection and communication requirements of the device.

HDMI Board Type D Male Connector Breakout PCB Test Adapter

MKTechnic.com provide many kinds of breakout board, for example: fpc/ffc connector breakout board, db9 breakout board, db25 breakout board, breakout board usb, IDC/RJ11/RJ45/HDMI/DisplayPort breakout board, .etc.

FFC vs FPC cable-Differences between FFC (flexible flat cable) and FPC(flexible printed circuit)

Welcome to visit our FFC category to check whether our products can meet your requirement.
What is an FFC Cable?
FFC ribbon cable, also known as Flexible Flat Cable, also known as reflective ribbon cable or flat flexible cable. It is a type of wire made by laminating copper foil or other metal foil on a polymer material as the substrate and an insulation layer as the version. FFC ribbon cables are mainly composed of substrates, metal foil, wires, protective layers, and other parts, which have the characteristics of softness, lightness, bendability, and anti distortion.

ffc 1.25 mm Pitch FFC FPC Flat Flex Flexible Ribbon Cable

What is an FPC Cable?
FPC cable, also known as Flexible Printed Circuit, is a very thin and flexible circuit board. It uses polyimide film (PI) as the substrate, with a conductive metal foil covering the surface and forming a circuit pattern, which is then cut and processed. FPC ribbon cables have advantages such as high density, thinness, flexibility, and reliability, which can accommodate a large number of lines while only being a fraction of the thickness of traditional wires.

Switch Lite L Key Flex Joystick PCB FPC Flexible Printed Circuit

FFC vs FPC cable
About the FFC vs FPC cable, there are significant differences between FFC and FPC cables in several aspects:
1.Construction and materials:
FFC cables, or flexible flat cables, are primarily made of polymer materials as a substrate, with copper foil or other metal foil laminated on top of an insulating layer. FPC cables, or flexible printed circuit boards, are flexible circuit boards that use polyimide film (PI) as a substrate, with conductive metal foil covering the surface and forming a circuit pattern.
2.Features and applications:
FFC cables are flexible, thin, bendable, and resistant to twisting, and are widely used in electronic devices such as computers, mobile phones, and flat-screen televisions to connect various electronic components and devices. FPC cables also have advantages such as high density, thinness, flexibility, and reliability, and are commonly used in mobile devices, electronic watches, folding screens, and other applications to effectively save product volume and improve space utilization.
3.Design and manufacturing:
The width of the FFC cable depends on the spacing required for the connector to be assembled, and usually has a fixed shape such as a rectangular shape. The FPC cable is more flexible and can be customized in various shapes, and can be designed as a multi-layer structure to accommodate more lines and devices.
4.Cost and appearance:
The process of FPC cable is relatively more complex, with higher processing costs and usually higher prices. In addition, the appearance color of FPC cable may include yellow, black, or white, while the surface color of FFC cable is usually white.

In summary, there are significant differences between FFC and FPC cables in terms of construction, characteristics, design and manufacturing, as well as cost and appearance. When choosing which cable to use, decisions need to be made based on specific application requirements, device structure, and cost considerations.

FFC cable pitch spacing selection tips

Welcome to visit our FFC category to check whether our products can meet your requirement.

The FFC cable pitch (also called “spacing”) refers to the distance between the centers of one conductor and the centers of adjacent conductors, that is, the space between conductors in FFC connectors. This space varies depending on the type of FFC connector used. There are various specifications for commonly used FFC cable spacing, including: 0.5mm, 0.625mm, 0.635mm, 0.8mm, 1.0mm, 1.25mm, 1.27mm, 1.5mm, 2.00mm, and 2.54mm. The commonly used FFC cable pitch is: 0.5mm, 0.8mm and 1.0mm.

FFC Cable 0.5/0.8/1.0mm/1.25mm FPC Cable

These spacing specifications enable FFC cables to find suitable application methods in different devices and scenarios to meet the needs of data transmission and connection. Meanwhile, due to the flexibility and customizability of FFC ribbon cables, the number and spacing of their wires can be customized according to specific needs. Therefore, in practical applications, there may still be some special spacing specifications.

When selecting the pitch of the FFC cable, several factors need to be considered to ensure that it meets the needs of the device and application scenario. Here are some key steps and considerations:
1.Equipment requirements:
First, it is important to determine which devices or components the FFC cable will be used to connect. Different devices may have different requirements for spacing. For example, some sophisticated devices may require smaller spacing to ensure higher data transmission efficiency or more compact layouts.

2.Data transmission requirements:
Consider the requirements for data transmission speed and stability. Generally, FFC cables with smaller pitch can provide higher data transmission speeds, but may also increase manufacturing costs and difficulty. Therefore, it is necessary to balance cost and feasibility while meeting data transmission requirements.

3.Mechanical adaptability:
The spacing of the FFC cable should also consider its mechanical adaptability in the device. A smaller spacing may mean higher flexibility, but it may also reduce its resistance to twisting and compressive forces. Therefore, when selecting the spacing, it is necessary to consider the layout, bending radius, and possible mechanical stress of the FFC cable in the device.

4.Connector type:
The spacing of the FFC cable should match the type of connector used. Different connectors have different spacing specifications, so make sure the spacing of the selected FFC cable is compatible with the connector.

5.Cost considerations:
FFC cables with smaller pitch usually have higher costs due to their higher manufacturing difficulty and precision requirements. Therefore, when selecting the pitch, it is necessary to consider cost-effectiveness as much as possible while meeting performance requirements.

6.Standardization and compatibility:
In some cases, it may be more appropriate to follow industry standards or existing design specifications. This helps ensure compatibility between the FFC cable and existing equipment or systems, and reduces procurement and maintenance costs.

In summary, selecting the pitch of an FFC cable is a process that integrates multiple factors. It is recommended to weigh and choose based on specific application scenarios, device requirements, data transmission requirements, mechanical adaptability, cost-effectiveness, and standardization and compatibility. At the same time, it is possible to consult with professional engineers or suppliers for more specific advice and support.

What is FFC cable?

Welcome to visit our FFC category to check whether our products can meet your requirement.

What is FFC cable? FFC ribbon cable, also known as Flexible Flat Cable, is a type of flexible flat cable, also known as reflective ribbon cable or flat flexible cable. This type of cable is made with a polymer material as the substrate, an insulation layer as the version, and is laminated with copper foil or other metal foil. FFC ribbon cables have the characteristics of flexibility, thinness, flexibility, and resistance to distortion, making them widely used in electronic devices as a bridge connecting various components.

FFC ribbon cables are mainly composed of substrates, metal foils, wires, protective layers, and other parts. The working principle is based on the flexibility and elasticity provided by polymer substrates, allowing them to bend and fold without affecting the internal wire transmission signal. At the same time, FFC ribbon cables use copper foil or other metal foil during the manufacturing process, which can effectively prevent signal interference and electromagnetic wave radiation, ensuring the quality and stability of data transmission.

The flexibility and customizability of FFC ribbon cables (allowing for arbitrary selection of wire numbers and spacing) make wiring more convenient, while greatly reducing the volume and production costs of electronic products and improving production efficiency. Therefore, FFC ribbon cables are most suitable for data transmission cables between mobile components and motherboards, between PCBs and PCBs, and in miniaturized electrical equipment.
The characteristics of FFC ribbon cables are mainly reflected in the following aspects:
1.Flexibility and thinness:
FFC ribbon cables have excellent flexibility and thinness, which allows them to be flexibly applied in various complex environments without being too physically limited.
2.Flexibility and anti distortion:
Due to its unique materials and structure, FFC ribbon cables can be easily bent and folded, even to some extent anti twisted, without affecting the internal wire transmission signal.
Excellent electrical performance: FFC cables use metal foil as a conductive material, which can effectively prevent signal interference and electromagnetic wave radiation, thereby ensuring the stability and quality of data transmission.
3.High Customizability:
The number and spacing of FFC ribbon cables can be customized according to needs, making it suitable for different devices and application scenarios.

In modern electronic devices, the application of FFC ribbon cables is almost ubiquitous, such as in computers, mobile phones, tablets, printers, scanners, copiers, speakers, plotters, televisions and other devices, where FFC ribbon cables can be seen. Its excellent flexibility and stability make FFC ribbon cables play an important role in the field of electronic devices.

What is seven segment display?

Welcome to visit our 7-Segments category to check whether our products can meet your requirement.

A seven segment display is an electronic display device typically composed of seven independent LED segments arranged in a specific way to display numbers 0 to 9 and certain letters or symbols. Each LED segment can be independently lit or turned off by controlling the current, thus combining into different characters.

There are two main types of seven segment digital displays: common anode and common cathode. In the common anode type, all LED anodes (positive electrodes) are connected together and connected to a positive power source through a common terminal. In the common cathode type, all LED cathodes (negative electrodes) are connected together and connected to ground or negative power through a common terminal. Different types of seven segment digital displays require different driving circuits and control signals to achieve correct display.

When using a seven segment digital display, it is usually necessary to combine it with appropriate driving circuits and control logic. The control logic generates corresponding control signals based on the numbers or characters to be displayed, which are transmitted to the seven segment digital display through the driving circuit, thereby lighting up the corresponding LED segments to display the required numbers or characters.

Seven segment digital displays are widely used in various electronic devices, such as calculators, electronic watches, thermometers, timers, etc., to display numbers or simple text information. They have the advantages of low cost, low power consumption, and high reliability, making them ideal choices in many applications.

In addition, in addition to the basic 7 segments digital display, there are also some variants and extended versions, such as eight segment digital displays with decimal points, multi digits 7 segments digital display arrays, etc., which can provide more display functions and flexibility.

What is OLED?

Welcome to visit our OLED category to check whether our products can meet your requirement.

OLED, also known as Organic Light Emitting Diode. This is a technology that achieves display through the electroluminescence phenomenon of organic materials. Specifically, OLED displays are composed of multiple layers of organic materials with electrodes sandwiched between them. When current passes through, electrons and holes in the organic material layer combine and release energy, which is emitted in the form of photons, producing visible light.

OLED has a series of significant characteristics and advantages:
1.Self luminous characteristics:
Unlike display technologies such as LCD that require a backlight source, each pixel of OLED can emit light independently, which makes it more pure in black performance and higher in contrast.
2.Wide viewing angle:
OLED screens have a very wide viewing angle, almost from any angle, with consistent color and brightness, and no color distortion or brightness decrease.
3.Quick response:
OLED has a very fast response time and can almost immediately display image changes, which gives it an advantage in dynamic image display, such as smoother visuals when watching sports games or playing video games.
4.Energy saving and environmental protection:
Due to OLED’s self illumination, the brightness of each pixel can be precisely controlled, achieving a more energy-efficient effect. Meanwhile, it do not require backlighting, making them lighter and thinner compared to LCD screens.
5.Flexible Display:
OLED materials have flexibility and can be used to produce flexible or foldable display screens, providing unlimited possibilities for the development of future display technology.

Currently, OLED technology has been widely applied in consumer electronics products such as smartphones, televisions, and tablets. With the continuous advancement of technology, the application range of it will become increasingly widespread, and we have reason to expect it to bring more innovation and surprises in the future. mainly including:
1.Business field:
Small OLED screens can be installed on POS machines, copiers, and ATMs due to their advantages of flexibility, lightweight, strong anti-aging, aesthetics, and practicality. OLEDs with large screens can be used as commercial promotional screens or advertising screens at stations and airports because it have a wide viewing angle, high brightness, bright colors, and much better visual effects than LCD screens.
2.Electronic products field:
OLED is most widely used in smartphones, followed by laptops, displays, televisions, tablets, digital cameras, and other fields. OLED displays, due to their self luminous properties, can achieve better color performance, higher contrast, and wider viewing angles, making OLED TVs, displays, and other products favored by consumers.
3.Transportation field:
OLED has a wide range of applications in the transportation field due to its wide viewing angle performance, such as ship and aircraft instruments, GPS, video phone, car display screens, etc.
Even without direct eye contact, you can still see the screen content clearly.
4.Industrial application field:
OLED is also suitable for industrial application fields, such as instruments and meters, because it is an all solid, non vacuum device with characteristics such as shock resistance and low temperature resistance (-40 ℃~+80 ℃). It has also been very important in military applications, such as being used as a display terminal for modern weapons such as tanks and airplanes.
In addition, It also has the characteristic of flexibility, which can be widely used in various curved design products, such as curved TVs, intelligent wearable devices, etc. Meanwhile, different OLED technologies such as transparent screens, top emitting OLEDs, and foldable OLEDs are constantly expanding their application areas.
With the continuous development of technology, the application fields of OLED will further expand.