CN209627066U - A kind of multi-purpose expansion board of NFC power supply of Arduino - Google Patents

Abstract

A kind of multi-purpose expansion board of NFC power supply of Arduino, including printed circuit board and NFC antenna, energy collection circuit, voltage regulator circuit, function switch circuit, indicating circuit, debug circuit, adapter socket row, the printed circuit board includes upper and lower surfaces, the upper surface is towards user, the lower surface is towards Arduino circuit board, the NFC antenna is made of printed circuit, the agreement working frequency 13.56MHZ of parameter adaptation NFC, the NFC antenna is also connected with NFC label card integrated chip, for sending blank information so that it is continually provided signal to smart phone.The beneficial effects of the utility model are, people have been overturned to the traditional cognitive of Arduino base application, any power supply can not be introduced by selecting the Arduino product of this expansion board, fully enclosed can not be reserved any interface, only be needed smart phone that can work normally close to product.

Description

A kind of multi-purpose expansion board of NFC power supply of Arduino

Technical field

The utility model relates to Arduino expansion board technical fields, more specifically, being to support to obtain from NFC concussion field source The NFC of Arduino of energy a kind of, which powers, is mostly used expansion board.

Background technique

Arduino development board with its is subversive simple, easy-to-use and educated extensively, the fields such as quick Fabrication use, All the time, the relevant expansion board of Arduino emerges one after another.

Common all kinds of Arduino power management expansion board on the market, generally provide power interface conversion, pressure stabilizing, standby electricity The functions such as pond can greatly enrich the power supply processing ability of Arduino core board, be favored by people.

NFC is a kind of emerging near field communication technology, is close to each other in order to pass through between two mobile phones at the beginning of research and development And data are transmitted, or the reading writing information from integrated induction card, working range is at zero to tens centimetre.NFC is with its low-power consumption, low The many advantages such as cost, easy-to-use and rapid proliferation integrate deployment, popular mobile phone by the selection of numerous smart phone manufacturers on mobile phone NFC function almost has become standard configuration in model.

The electrical principles of NFC technique are that transmitting or reading radiofrequency field have NFC in this typical case of mobile phone card reading The mobile phone of function serves as concussion field source transmitter, the coil of the nfc card piece in its operating distance by faint electric field-activate, after And trigger special integrated memory chip feedback information needed.

It can be seen that the principle of NFC technique determines that data transmission need to be by radiofrequency field, and include in radiofrequency field has more than needed Energy is not used effectively but, although these energy are extremely faint (representative value about 300mW), through efficient shaping filter and puts Also more considerable after big, strikingly, the work of Arduino core board is consumed energy extremely low (representative value about 40mw), this is from reason The feasibility powered with NFC technique to Arduino development board and work normally it has been confirmed on.

Based on this, the multi-purpose expansion board it is proposed that the NFC of Arduino a kind of powers.

Utility model content

It powers the purpose of this utility model is to provide the NFC of Arduino a kind of and is mostly used expansion board, which can make The mobile phone that must have NFC function obtains the power output surely to weigh after the expansion board antenna, drives Arduino development board and matches Proper device operation is covered, further, which can also be adapted to various types of Arduino development boards.

The novelty of the utility model is, has overturned people to the traditional cognitive of Arduino base application, has selected this expansion The Arduino product of panel can not introduce any power supply, fully enclosed can not reserve any interface, only smart phone be needed to lean on Nearly product can work normally.

The NFC that the utility model provides a kind of Arduino powers multi-purpose expansion board, including printed circuit board and NFC antenna, Energy collection circuit, voltage regulator circuit, function switch circuit, indicating circuit, debug circuit, adapter socket row, the printed circuit Plate includes upper and lower surfaces, and the upper surface is towards user, and the lower surface is towards Arduino circuit board.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the NFC antenna is made of printed circuit, ginseng The agreement working frequency 13.56MHZ of number adaptation NFC.

In above-mentioned NFC antenna, further, NFC antenna is also connected with NFC label card integrated chip, is used for intelligence Energy mobile phone sends blank information so that it is continually provided signal.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the energy collection circuit is by diode, electricity Hold and constitute, the faint power supply that the NFC antenna obtains is rectified, is boosted, output voltage accesses the defeated of the voltage regulator circuit Enter end.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the voltage regulator circuit is by can be changed input, fixing The integrated semiconductor components of output are constituted, and output voltage is adapted with the Arduino single-chip microcontroller input voltage supported.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the function switch electricity route handoff switchs structure At for selecting Arduino power input pin.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the indicating circuit is by one or more patches LED is constituted, which is located at extension plate surface, for showing expansion board working condition.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the debug circuit includes the touching of several groups metal Point, for drawing the important electrical quantities of the expansion board, facilitating debugging or expanding and developing use.

It powers and is mostly used in expansion board in the NFC of above-mentioned Arduino a kind of, the adapter socket row is with two groups or more It is more, the pin distribution of Arduino different model is respectively corresponded, to be adapted to two or more Arduino model.

Compared with prior art, the utility model has the beneficial effects that having overturned people to the biography of Arduino base application System cognition, selects the Arduino product of this expansion board that can not introduce any power supply, fully enclosed can not reserve any connect Mouthful, only need smart phone that can work normally close to product.

Detailed description of the invention

Fig. 1 is the upper surface schematic diagram of one embodiment of the utility model；

Fig. 2 is the lower surface schematic diagram of one embodiment of the utility model；

Fig. 3 is the electronic-circuit diagram of one embodiment of the utility model.

In Fig. 1-3: 1- printed circuit board；11-NFC antenna；12- debugs contact；13- indicating circuit；14-LOGO；21- is cut Change switch；22- energy collection circuit；23- voltage regulator circuit；24- adapter socket row；241- contact pin；242- arranges seat.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is rationality, it is intended to for explaining the utility model, and be should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the utility model, the meaning of " plurality " is two or two with On, unless otherwise specifically defined.

Fig. 1 is the upper surface schematic diagram of the utility model one embodiment.

As shown in Figure 1, the NFC of the Arduino powers, the upper surface of multi-purpose expansion board includes printed circuit board 1, NFC antenna 11, contact 12, indicating circuit 13, LOGO14 are debugged, the switching switch 21 positioned at lower surface is also shown.

In one embodiment of the utility model, NFC antenna 11 is made of printed circuit, the agreement of parameter adaptation NFC Working frequency 13.56MHZ.

Further, NFC antenna 11 is also connected with NFC label card integrated chip, for sending blank letter to smart phone It ceases so that it is continually provided signal, this NFC label card integrated chip is the prior art, and volume is small to can ignore not Meter, therefore do not mark on the diagram.

In one embodiment of the utility model, indicating circuit 13 is made of one or more paster LEDs, the patch LED is located at 1 surface of printed circuit board, for showing expansion board working condition.

In one embodiment of the utility model, debugging contact 12 is hard contact, for drawing the weight of the expansion board Electrical quantities are wanted, convenient engineering staff in the future debugs or expand and develop use.

Fig. 2 is the lower surface schematic diagram of the utility model one embodiment.

As shown in Fig. 2, the NFC of the Arduino powers, the lower surface of multi-purpose expansion board includes printed circuit board 1, switches and open Close 21, energy collection circuit 22, voltage regulator circuit 23, adapter socket row 24.

In one embodiment of the utility model, energy collection circuit 22 is made of diode, capacitor, is obtained to antenna Faint power supply rectified, boosted, output voltage access voltage regulator circuit 23 input terminal, be specifically able to achieve the electric wire of function Road figure is shown in Fig. 3.

In one embodiment of the utility model, voltage regulator circuit 23 is by variable input, the fixed integrated semiconductor exported Element is constituted, and output voltage is adapted with the Arduino single-chip microcontroller input voltage supported.

In one embodiment of the utility model, function switch electricity route handoff switch 21 is constituted, for selecting Arduino power input pin.

In one embodiment of the utility model, adapter socket row 24 has two groups or more, respectively corresponds Arduino The pin of different model is distributed, can according to the difference of adaptation Arduino model to be adapted to the Arduino model of two or more It can be contact pin form or row's seat form；In the present embodiment, adapter socket row 24 includes contact pin 241, is adapted to ArduinoUNO type Number, adapter socket row 24 includes row's seat 242, is adapted to ArduinoNANO model.

Fig. 3 is the electronic-circuit diagram of the utility model one embodiment.

As shown in figure 3, NFC antenna 11 is formed by printed circuit coiling；Voltage regulator circuit 23 is made of a piece of zener diode, In reverse breakdown state, pressure stabilizing value is 3.3V for zener diode work；Function switch circuit is input to VIN for Switching power Pin or 5V pin, to be adapted to a plurality of types of Arduino core boards；Energy collection circuit 22 is by two pole of two chip capacitors and two panels Pipe is constituted, and alternating current can be converted into two multiplication of voltage direct currents of low ripple through illustrated circuit；Indicating circuit 13 is by a piece of low-power consumption Light emitting diode (LED) is constituted；Debug circuit draws the important electricity in three circuits for measurement debugging；Adapter socket row 1 ArduinoUNO the and ArduinoNANO model of adaptation is respectively corresponded with adapter socket row 2.

The multi-purpose expansion board of NFC power supply of Arduino of the utility model a kind of can make the mobile phone for having NFC function lean on The power output surely to weigh is obtained after the nearly expansion board antenna, drives Arduino development board and support device to work normally, the extension Plate can also be adapted to various types of Arduino development boards.The utility model has overturned people to the biography of Arduino base application System cognition, selects the Arduino product of this expansion board that can not introduce any power supply, fully enclosed can not reserve any connect Mouthful, only need smart phone that can work normally close to product.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.While there has been shown and described that the embodiments of the present invention, for those of ordinary skill in the art For, it is possible to understand that a variety of changes can be carried out to these embodiments in the case where not departing from the principles of the present invention and spirit Change, modification, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (9)

1. The multi-purpose expansion board 1. the NFC of Arduino a kind of powers, which is characterized in that including printed circuit board and NFC antenna, energy Collecting circuit, voltage regulator circuit, function switch circuit, indicating circuit, debug circuit, adapter socket row, the printed circuit board packet Include upper and lower surfaces, the upper surface is towards user, and the lower surface is towards Arduino circuit board.
2. The multi-purpose expansion board 2. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that described NFC days Line is made of printed circuit, the agreement working frequency 13.56MHZ of parameter adaptation NFC.
3. The multi-purpose expansion board 3. the NFC of Arduino according to claim 2 a kind of powers, which is characterized in that described NFC days Line is also connected with NFC label card integrated chip, for sending blank information so that it is continually provided signal to smart phone.
4. The multi-purpose expansion board 4. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that the energy is received Collector is made of diode, capacitor, is rectified, is boosted to the faint power supply that the NFC antenna obtains, output voltage access The input terminal of the voltage regulator circuit.
5. The multi-purpose expansion board 5. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that the pressure stabilizing electricity The variable input of routing, the fixed integrated semiconductor components exported are constituted, and output voltage is inputted with the Arduino single-chip microcontroller supported Voltage is adapted.
6. The multi-purpose expansion board 6. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that the function is cut It changes electric route handoff switch to constitute, for selecting Arduino power input pin.
7. The multi-purpose expansion board 7. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that the instruction electricity It routes one or more paster LEDs to constitute, the paster LED is located at extension plate surface, for showing expansion board working condition.
8. The multi-purpose expansion board 8. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that the debugging electricity Road includes several groups hard contact, for drawing the important electrical quantities of the expansion board, facilitating debugging or expanding and developing use.
9. The multi-purpose expansion board 9. the NFC of Arduino according to claim 1 a kind of powers, which is characterized in that the adaptation is inserted Seat row has two groups or more, the pin distribution of Arduino different model is respectively corresponded, to be adapted to two or more Arduino model.