CN206178587U

CN206178587U - Mainboard expansion board is sent to raspberry group / banana

Info

Publication number: CN206178587U
Application number: CN201621023745.0U
Authority: CN
Inventors: 唐卫东
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-05-17
Anticipated expiration: 2026-08-31

Abstract

The utility model discloses a mainboard and accessory technical field's mainboard expansion board is sent to raspberry group / banana, including the expansion board body, be equipped with on the expansion board body and be used for the GPIO interface is connected with the mainboard electricity, the GPIO interface is a row needle interface, and the GPIO interface includes public first interface of GPIO and the female first interface of GPIO, and the expansion board body still is equipped with to be arranged needle electrical connection interface with GPIO and has a plurality of row needle interface, and the equal electricity of row's needle interface is connected with corresponding binding post, it includes IIC UART interface, SPI interface and PWM interface to arrange the needle interface. The utility model discloses set up the interface of multiple different grade type in the expansion board, can be different according to the function type of interface, the external equipment of expanded multiple different functions also can be according to the difference of interface connection mode, selects to adopt with the expansion board that arrange that the needle is connected or through the binding post connection, the function of expansion board is more powerful, and the external equipment kind of joinable is more, and is just more nimble with external equipment's connected mode.

Description

Fructus Rubi group/banana pie mainboard expansion board

Technical field

This utility model is related to mainboard and its accessory technical field, specially a kind of Fructus Rubi group/banana pie mainboard expansion board.

Background technology

At present, connection side of the pricking with needle to Du Pont's line interface is typically adopted between Fructus Rubi group or banana pie mainboard and expansion board Formula, i.e. 2.54MM mother connects to busbar pin or male being directed to busbar, and the interface of some equipment does not use pricking with needle in prior art Connection, and the mode for using normal cable to be connected with binding post, using the equipment of this connected mode expansion board cannot be passed through Dock with mainboard, the function of making mainboard or expansion board and the device category that can connect are greatly limited.

Due to the common function for there was only several fixations in existing expansion board, as LED press key lamps or some fixations are used Sensor element etc., for the relevant device with other functions, is not provided with and due to the restriction of EBI in expansion board Cannot be directly connected to expansion board, causing expansion board can not extend, and can not meet the needs of client.

Therefore, a kind of new mainboard expansion board is developed, is especially adapted for use in the expansion board of Fructus Rubi group/banana pie mainboard, no But with urgent researching value, it may have good economic benefit and commercial application potentiality, this exactly this utility model is able to The power for completing is located and basis.

Utility model content

In order to overcome the defect of prior art as indicated above, the present inventor to have made intensive studies this, paying After a large amount of creative works, so as to completing this utility model.

Specifically, technical problem to be solved in the utility model is：One kind is provided there is various Wiring ports and energy Fructus Rubi group/banana pie mainboard the expansion board being connected with the external equipment of various distinct interfaces, to solve above-mentioned technical problem.

To solve above-mentioned technical problem, the technical solution of the utility model is：Fructus Rubi group/banana pie mainboard expansion board, bag Expansion board body is included, the expansion board body is provided with the GPIO interface for electrically connecting with mainboard, and the GPIO interface is GPIO pricking with needle interfaces, the GPIO pricking with needle interface includes GPIO males interface and GPIO female interfaces, and the expansion board body is also It is provided with and is electrically connected with several pricking with needle interfaces with the GPIO interface, the pricking with needle interface is electrically connected with corresponding terminals Son, the pricking with needle interface includes IIC UART interfaces, SPI interface and PWM interfaces.

Used as a kind of improvement, four corners of the expansion board body are provided with installing hole.

Used as a kind of improvement, the GPIO males interface and GPIO female interfaces be arranged in parallel, and with the mainboard on GPIO interface position is corresponding.

Used as a kind of improvement, the pricking with needle interface includes the left bank needle interface being made up of string left bank pin and by the string right side The right pricking with needle interface of pricking with needle composition, the right pricking with needle interface is electrically connected to the GPIO interface, the left bank needle interface with it is relative The binding post electrical connection answered, is connected between relative left bank pin and right pricking with needle by jump cap.

Used as a kind of improvement, the binding post is arranged on the edge of the expansion board body.

After employing above-mentioned technical proposal, the beneficial effects of the utility model are：This utility model is arranged in expansion board The interface of number of different types, different according to the function type of interface, the external equipment of expansible various difference in functionalitys also may be used So that according to the difference of interface connected mode, selection is connected using pricking with needle with expansion board or is connected by binding post, expansion board Function is more powerful, and attachable external equipment species is more, and more flexible with the connected mode of external equipment.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the circuit diagram of the GPIO interface of Fig. 1；

Fig. 3 is the circuit diagram of IIC UART interfaces in Fig. 1；

Fig. 4 is the circuit diagram of PWM interfaces in Fig. 1；

Fig. 5 is the circuit diagram of SPI interface in Fig. 1；

In figure：1- expansion board bodies；11- installing holes；2-GPIO male interfaces；3-GPIO female interfaces；4-IIC UART Interface；41-IIC UART binding posts；42- left bank pins；The right pricking with needle of 43-；44- jump caps；5-PWM ports；51-PWM terminals Son；6-SPI ports；61-SPI binding posts.

Specific embodiment

This utility model is further illustrated with reference to specific embodiment.But the purposes of these exemplary embodiments Only it is used for enumerating this utility model with purpose, not any type of any limit is constituted to real protection scope of the present utility model It is fixed, it is more non-that protection domain of the present utility model is confined to into this.

As Fig. 1 to Fig. 5 jointly shown in, Fructus Rubi group/banana pie mainboard expansion board, including expansion board body 1, expansion board body 1 four corners are provided with installing hole 11, and expansion board body 1 is arranged on mainboard top by installing hole 11.

Expansion board body 1 is provided with the GPIO interface for electrically connecting with mainboard, and GPIO interface is GPIO pricking with needle interfaces, GPIO interface includes GPIO males interface 2 and GPIO females interface 3, and GPIO males interface 2 is parallel with the interface of GPIO females 3 to be set Put, and corresponding with the GPIO interface position on mainboard, GPIO males interface 2 or the interface of GPIO females 3 are by bus and mainboard On GPIO interface electrical connection.

Expansion board body 1 is additionally provided with and is electrically connected with several pricking with needle interfaces with GPIO pricking with needle interfaces, and pricking with needle interface is electrically connected Corresponding binding post is connected to, in the present embodiment, pricking with needle interface includes IICUART interfaces 4, PWM interfaces 5 and SPI interface 6, IIC UART interfaces 4 are electrically connected with IICUART binding posts 41, and PWM interfaces 5 are electrically connected with PWM binding posts 51, and SPI connects Mouth 6 is electrically connected with SPI binding posts 61.

Pricking with needle interface (such as IIC UART interfaces 4, PWM interfaces 5 and SPI interface 6) includes being made up of string left bank pin Left bank needle interface and the right pricking with needle interface that is made up of the right pricking with needle of string, right pricking with needle interface is electrically connected to GPIO interface, left bank pin Interface is electrically connected with corresponding binding post, is connected by jump cap between relative left bank pin and right pricking with needle.

As shown in Figure 1, IIC UART interfaces 4 include the left bank needle interface being made up of string left bank pin 42 and by one The right pricking with needle interface of the composition of right pricking with needle 43 is arranged, right pricking with needle interface is electrically connected to GPIO interface, and left bank needle interface connects with IIC UART Line terminals 41 are electrically connected, and are connected by jump cap 44 between relative two left bank pins 42 and right pricking with needle 43.

IIC UART binding posts 41, PWM binding posts 51 and SPI binding posts 61 are installed in expansion board body 1 Edge, in order to connection.

Fig. 2 is GPIO interface circuit diagram, and wherein GPIO males interface is identical with the circuit diagram of GPIO female interfaces, and the two is equal Electrically connect with the GPIO interface on mainboard.

Fig. 3 is IIC UART interface circuit diagrams, and its middle connecting terminal JP3 is IIC UART binding posts, and JP4 is IIC UART interface, IIC UART interfaces are pricking with needle interfaces.

Fig. 4 is PWM interface circuit figures, and its middle connecting terminal JP5 is PWM binding posts, and JP6 is PWM interfaces, PWM interfaces It is pricking with needle interface.

Fig. 5 is SPI interface circuitry figure, and its middle connecting terminal JP7 is SPI binding posts, and JP8 is SPI interface, SPI interface It is pricking with needle interface.

This utility model, the mode of expansion board connection external equipment has two kinds, and external equipment can directly be inserted by pricking with needle It is connected on pricking with needle interface, it is also possible to by electric wire or cable connection on binding post, the left bank electrically connected with the binding post Pin is electrically connected to GPIO interface by jump cap and relative right pricking with needle short circuit, then binding post by right pricking with needle.

This utility model can also connect another piece of expansion board using GPIO interface and expansion bus, to realize mainboard or expansion The I/O mouths extension of panel.

This utility model be particularly suited for Fructus Rubi group and banana pie mainboard, this utility model be not limited to Fructus Rubi group and The cooperation of banana pie mainboard is suitable for, and the other mainboards for expansion I/O interface and connection multiple external equipments of contrast are also same Sample is suitable for.

It should be appreciated that the purposes of these embodiments is merely to illustrate this utility model and is not intended to limit of the present utility model Protection domain.Additionally, it will also be appreciated that after technology contents of the present utility model have been read, those skilled in the art can be right This utility model makees various changes, modification and/or modification, and all these equivalent form of value equally falls within right appended by the application will Ask within the protection domain that book limited.

Claims

1. Fructus Rubi group/banana pie mainboard expansion board, it is characterised in that：Including expansion board body, the expansion board body is provided with For the GPIO interface electrically connected with mainboard, the GPIO interface is GPIO pricking with needle interfaces, and the GPIO pricking with needle interface includes GPIO males interface and GPIO female interfaces, the expansion board body is additionally provided with and is electrically connected with several rows with the GPIO interface Needle interface, the pricking with needle interface is electrically connected with corresponding binding post, the pricking with needle interface include IIC UART interfaces, SPI interface and PWM interfaces.

2. Fructus Rubi group/banana pie mainboard expansion board as claimed in claim 1, it is characterised in that：The four of the expansion board body Individual corner is provided with installing hole.

3. Fructus Rubi group/banana pie mainboard expansion board as claimed in claim 1, it is characterised in that：The GPIO males interface and GPIO female interfaces be arranged in parallel, and corresponding with the GPIO interface position on mainboard.

4. Fructus Rubi group/banana pie mainboard expansion board as claimed in claim 1, it is characterised in that：The pricking with needle interface includes The left bank needle interface being made up of string left bank pin and the right pricking with needle interface being made up of the right pricking with needle of string, the right pricking with needle interface is electrically connected The GPIO interface is connected to, the left bank needle interface is electrically connected with corresponding binding post, relative left bank pin and right pricking with needle Between by jump cap connect.

5. Fructus Rubi group/banana pie mainboard expansion board as claimed in claim 1, it is characterised in that：The binding post is arranged on The edge of the expansion board body.