CN213520590U - Open source hardware Arduino IO expansion board - Google Patents

Abstract

The utility model relates to the technical field of Arduino development boards, in particular to an open-source hardware Arduino IO expansion board, which is used for carrying out I/O expansion on the Arduino development board and solves the problems that the Arduino I/O expansion board in the prior art is complex in operation, easy to damage and poor in practicability; the four-wire socket module, the three-wire socket module and the bus socket module are connected with an external power supply through power wires of an expansion board, leads of the four-wire socket module and the three-wire socket module are connected with corresponding leads of the bus socket module, the four-wire socket module comprises at least one four-wire socket, the three-wire socket module comprises at least one three-wire socket, and the four-wire socket and the three-wire socket are anti-reverse-plugging sockets; the utility model discloses the operation is simpler, and the practicality is better, can promote the efficiency of giving lessons of teacher in the aspect of electronic design, improves student's learning effect, is favorable to the cultivation of middle and primary school student's innovation ability.

Description

Open source hardware Arduino IO expansion board

Technical Field

The utility model relates to a Arduino development board technical field especially relates to an open source hardware Arduino IO expansion board.

Background

According to the new standard of school changes, students in middle and primary schools need to study cultural lessons and culture cultural quality, and pay attention to culture innovation consciousness and innovation ability. The teacher is required to break through the traditional teaching concept, and a reasonable teaching method is adopted according to rules provided by the new lesson-changing standard to cultivate good thinking quality of students, particularly to cultivate innovative thinking ability of the students. The competition of the future society is rooted in the competition of talent innovation ability, which not only needs students to learn theoretical knowledge, but also needs to develop innovation ability in any period of learning of the students.

At present, electronic creators as an important means for cultivating the innovation capability of students have been gradually popularized to primary and secondary schools across the country, and meanwhile, a batch of high-quality electronic creators games are also presented across the country, and become one of the important ways for checking the innovation capability of primary and secondary schools. Wherein, the most important hardware is exactly Arduino development board, and in the IO expansion board of current Arduino development board, electronic device generally adopted the unified pin formula structure, and this kind of structure has some defects in the teaching of middle and primary schools is used. On one hand, in the course of teaching, when a teacher teaches the connection mode of the electronic device, the teaching mode is complex, a large amount of time and energy are wasted in the teaching of the connection mode, and the teaching efficiency of electronic design is not high; on the other hand, in the course of project learning, the pin-type structure is easy to damage, thereby causing the problems of electronic device loss and teaching cost increase.

Therefore, based on the above problem, the utility model provides an operation is simpler, the stronger open source hardware Arduino IO expansion board of practicality.

Disclosure of Invention

The utility model aims to provide a: to the above problem, the utility model provides an open source hardware Arduino IO expansion board, through adopting four-wire socket and the three-way socket of preventing reverse plug to and the three-wire system distributing type wiring mode between four-wire socket and three-way socket and bus socket and the external power supply, the Arduino IO expansion board of having solved prior art has the operation complicacy and damages very easily, the relatively poor problem of practicality, reach and promote teacher's teaching efficiency, reduce the electron device spoilage, reduce the purpose of teaching cost.

The utility model adopts the technical scheme as follows:

for the above-mentioned purpose is realized, the utility model provides an open source hardware Arduino IO expansion board for carry out IO expansion to Arduino development board, Arduino IO expansion board includes the base plate to and set up four-wire socket module, three-wire socket module and bus socket module on the base plate, wherein, external power supply is connected to the power cord that four-wire socket module, three-wire socket module and bus socket module pass through the expansion board, four-wire socket module and three-wire socket module's lead wire with bus socket module's the lead wire that corresponds is connected, four-wire socket module includes at least one four-wire socket, three-wire socket module includes at least one three-wire socket, bus socket module includes at least one bus socket, wherein, four-wire socket with three-wire socket is anti-reverse plug socket.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, bus socket module includes a bus socket, bus socket includes analog interface and digital interface.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, four-wire socket module includes 6 four-wire sockets, connects respectively bus socket's digital interface.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, three-way socket module includes 12 three-way sockets, and wherein, every three-way socket is connected respectively bus socket's analog interface or digital interface.

According to the utility model discloses an embodiment, optional, among the above-mentioned open source hardware Arduino IO expansion board, prevent that the anti-socket of inserting is the double-end winding displacement of 2.54mm standard spacing and prevents the socket of inserting.

According to the utility model discloses an embodiment, optional, in the above-mentioned open source hardware Arduino IO expansion board, bus socket is 2.54mm standard spacing's outside I2C bus socket.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, the position of bus socket's interface with the position of IO interface coincide in the Arduino development board.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, Arduino IO expansion board is still including setting up the reset switch on the base plate, wherein, reset switch sets up in the circuit that bus socket and external power supply are connected.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, Arduino IO expansion board is still including setting up the status light on the base plate, wherein, the status light sets up in the circuit that bus socket and external power supply are connected.

According to the utility model discloses an embodiment, it is optional, among the above-mentioned open source hardware Arduino IO expansion board, Arduino IO expansion board is still including the locating hole that sets up the base plate side, the position of locating hole with the position of the locating hole of Arduino development board coincide, the size of locating hole with the size of the locating hole of Arduino development board is unanimous.

Compared with the prior art, one or more embodiments in the above scheme can have the following advantages or beneficial effects:

1. the utility model provides a pair of open source hardware Arduino IO expansion board, including the base plate to and four-wire socket module, three-wire socket module and the bus socket module of setting on the base plate, wherein, four-wire socket module, three-wire socket module and bus socket module all are connected with external power supply, four-wire socket module and three-wire socket module all with bus socket module connects, and this kind is connected external power supply just, negative pole, and the three-wire system distributed wiring mode of being connected with bus socket module's signal line makes the wiring mode of Arduino IO expansion board more unified; the four-wire socket of the four-wire socket module and the three-wire socket of the three-wire socket module are anti-reverse-plugging sockets, so that the Arduino development board is prevented from being damaged by wiring errors of students, and the operation of the Arduino IO expansion board is simpler; through the aforesaid setting, the Arduino IO expansion board of having solved prior art has the operation complicacy and damages very easily, the relatively poor problem of practicality, the utility model discloses not only can promote the efficiency of giving lessons of teacher in the aspect of electronic design, can improve student's learning effect moreover, more be favorable to the cultivation of middle and primary school student's innovation ability.

2. The utility model discloses in, bus socket module includes a bus socket, bus socket includes analog interface and digital interface, separately sets up analog interface and digital interface, can reduce student's discernment interface difficulty, and the condition of connection error takes place.

3. The utility model discloses in, the position of bus socket's interface with the position of IO interface coincide in the Arduino development board, it is right to conveniently use Arduino IO expansion board when Arduino development board carries out the IO extension, it is more simple and convenient to operate.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings.

Fig. 1 is the embodiment of the present invention provides a connection diagram of an Arduino IO expansion board for open source hardware.

Fig. 2 is the embodiment of the utility model provides a pair of open source hardware Arduino IO expansion board's schematic structure diagram.

Fig. 3 is a schematic circuit diagram of an Arduino IO expansion board of open source hardware according to an embodiment of the present invention.

In the drawing, 01, a substrate, 02, a four-wire jack module, 03, a three-wire jack module, 04, a bus jack module, 1, a first four-wire jack, 2, a second four-wire jack, 7, a third four-wire jack, 8, a fourth four-wire jack, 13, a fifth four-wire jack, 14, a sixth four-wire jack, 3, a first three-wire jack, 4, a second three-wire jack, 5, a third three-wire jack, 6, a fourth three-wire jack, 9, a fifth three-wire jack, 10, a sixth three-wire jack, 11. seven three-wire sockets, 12 three-wire sockets eight, 15 three-wire sockets nine, 16 three-wire sockets ten, 17 three-wire sockets eleven, 18 three-wire sockets twelve, 19 three-wire sockets thirteen, 20 three-wire sockets fourteen, 21 three-wire sockets fifteen, 22 three-wire sockets sixteen, 23 bus sockets, 231 analog interfaces, 232 digital interfaces, 24 reset switches, 25 status lights and 26 positioning holes.

In the drawings, like parts are designated with like reference numerals, and the drawings are not drawn to scale.

Detailed Description

The following will describe embodiments of the present invention in detail with reference to the accompanying drawings and examples, so as to solve the technical problems by applying the technical means of the present invention, and to fully understand and implement the implementation process of achieving the corresponding technical effects. The embodiment of the utility model provides an in and the embodiment each characteristic can combine each other under the prerequisite of not conflicting, the technical scheme who forms all is in the utility model discloses an within the scope of protection.

Example one

Referring to fig. 1 to 3, the present embodiment provides an open source hardware Arduino IO expansion board, for I/O expansion of an Arduino development board, schematically shown in fig. 1, the Arduino IO expansion board comprises a substrate 01, and a four-wire jack module 02, a three-wire jack module 03 and a bus jack module 04 provided on the substrate 01, wherein, the four-wire socket module 02, the three-wire socket module 03 and the bus socket module 04 are connected with an external power supply through power wires of the expansion board, the leads of the four-wire jack module 02 and the three-wire jack module 03 are connected to corresponding leads of the bus jack module 04, the four-wire jack module 02 comprises at least one four-wire jack, the three-wire jack module 03 comprises at least one three-wire jack, the bus jack module 04 includes at least one bus jack, wherein the four-wire jack and the three-wire jack are anti-reverse jacks.

In this embodiment, the size of Arduino IO expansion board with the size of Arduino development board is unanimous, four-wire socket's quantity and three-wire socket's quantity in the three-wire socket module 03 all can set for according to actual conditions in the four-wire socket module 02, or set for according to the interface that bus socket corresponds.

Further, as shown in the schematic structural diagram of fig. 2, the bus socket module 04 includes a bus socket 23, the position of the interface of the bus socket 23 matches the position of the I/O interface in the Arduino development board, the size of the interface of the bus socket 23 corresponds to the size of the I/O interface in the Arduino development board, so that when the Arduino IO expansion board is used for performing I/O expansion on the Arduino development board, the operation is simpler; the bus socket 23 is an external I2C bus socket with a standard spacing of 2.54 mm; the bus socket 23 comprises an analog interface 231 and a digital interface 232, and the analog interface and the digital interface are separately arranged, so that the problems that students recognize the interfaces difficultly and the connection is wrong can be reduced; the analog interface 231 includes a power port and an analog signal input/output port, and the digital interface 232 includes a signal line port and a digital signal input/output port.

In this embodiment, as shown in the schematic circuit connection diagram shown in fig. 3, the specific connections of the ports in the analog interface 231 and the digital interface 232 of the bus socket 23 are as follows:

the port 1 and the port 2 in the P23A are suspended, the port 3 is used as one end of a RESET connection RESET switch 24, the port 4 is connected with a 3.3V power supply, the port 5 is connected with a +5V positive electrode of an external power supply, the ports 6 and 7 are both connected with a GND negative electrode of the external power supply, the port 8 is connected with VIN power supply input, the ports 9 to 14 are correspondingly used as analog signal input and output ports A0 to A5, the ports 15 to 28 in the P23B are correspondingly used as digital signal input and output ports D0 to D13, the port 29 is grounded, the port 30 is used as a reference voltage external input port AREF of the bus socket 23, the port 31 is used as a bidirectional data line port SDA of the bus socket 23, and the port 32 is used as a clock line port SC.

Further, the four-wire socket module 02 includes 6 four-wire sockets respectively connected to the digital interface 232 of the bus socket 23, wherein the four-wire socket is a double-ended four-row cable anti-reverse plug socket with a standard pitch of 2.54 mm.

In this embodiment, the specific connection manner of the 6 four-wire sockets is as follows:

a first port of a first four-wire socket 1, a first port of a third four-wire socket 7 and a first port of a fifth four-wire socket 13 are all connected with a clock line port SCL in the digital interface 232 of the bus socket 23, a second port of the first four-wire socket 1, a second port of the third four-wire socket 7 and a second port of the fifth four-wire socket 13 are all connected with a two-way data line port SDA in the digital interface 232 of the bus socket 23, and a third port and a fourth port of the first four-wire socket 1, the third four-wire socket 7 and the fifth four-wire socket 13 are respectively connected with a +5V positive pole and a GND negative pole of an external power supply;

the port one and the port two of the four-wire socket two 2 are respectively connected with the ports D0 and D1 in the digital interface 232 of the bus socket 23, the port one and the port two of the four-wire socket four 8 are respectively connected with the ports D2 and D3 in the digital interface 232 of the bus socket 23, the port one and the port two of the four-wire socket six 14 are respectively connected with the ports D9 and D10 in the digital interface 232 of the bus socket 23, and the port three and the port four of the four-wire socket two 2, the four-wire socket four 8 and the four-wire socket six 14 are respectively connected with the +5V positive pole and the GND negative pole of the external power supply.

Further, the three-wire socket module 03 includes 12 three-wire sockets, wherein each three-wire socket is respectively connected to the analog interface 231 or the digital interface 232 of the bus socket 23, and the three-wire socket is a double-ended three-row cable anti-reverse-plugging socket with a standard pitch of 2.54 mm.

Specifically, the four-wire jack module 02 and the three-wire jack module 03 are disposed on the same surface of the substrate 1, and the bus jack module 04 is disposed on the other surface of the substrate 1, that is, the opposite surface of the four-wire jack module 02 and the three-wire jack module 03.

In this embodiment, 4 three-wire sockets are respectively connected to the analog interface 231 of the bus socket 23, and 8 three-wire sockets are respectively connected to the digital interface 232 of the bus socket 23; the specific connection mode is as follows:

the ports I of the three-wire socket I3, the three-wire socket II 4, the three-wire socket III 5 and the three-wire socket IV 6 are respectively connected with the ports D5, D4, D3 and D2 in the digital interface 232 of the bus socket 23, and the ports II and the ports III of the three-wire socket I3, the three-wire socket II 4, the three-wire socket III 5 and the three-wire socket IV 6 are respectively connected with the +5V positive pole and the GND negative pole of an external power supply;

one of the ports of the three-wire socket five 9, the three-wire socket six 10, the three-wire socket seven 11 and the three-wire socket eight 12 is respectively connected with the ports D9, D8, D7 and D6 in the digital interface 232 of the bus socket 23, and the two and three of the ports of the three-wire socket five 9, the three-wire socket six 10, the three-wire socket seven 11 and the three-wire socket eight 12 are respectively connected with the +5V positive pole and the GND negative pole of an external power supply;

one of the ports of the three-wire socket nine 15, the three-wire socket ten 16, the three-wire socket eleven 17 and the three-wire socket twelve 18 is respectively connected with the ports D13, D12, D11 and D10 in the digital interface 232 of the bus socket 23, and the second port and the third port of the three-wire socket nine 15, the three-wire socket ten 16, the three-wire socket eleven 17 and the three-wire socket twelve 18 are respectively connected with the +5V positive pole and the GND negative pole of an external power supply;

one of the ports of the three-wire socket thirteen 19, the three-wire socket fourteen 20, the three-wire socket fifteen 21 and the three-wire socket sixteen 22 is respectively connected with the ports a0, a1, a2 and A3 in the analog interface 231 of the bus socket 23, and the two and three of the ports of the three-wire socket thirteen 19, the three-wire socket fourteen 20, the three-wire socket fifteen 21 and the three-wire socket sixteen 22 are respectively connected with the +5V positive pole and the GND negative pole of the external power supply.

Further, Arduino IO expansion board is still including setting up reset switch 24 on base plate 01, wherein, reset switch 24 sets up in bus socket 23 and the circuit of external power supply connection.

In this embodiment, as shown in the schematic circuit connection diagram of fig. 3, one end of the RESET switch 24 is connected to the port RESET of the analog interface 231 of the bus socket 23, and the other end is connected to the GND negative electrode of the external power supply.

Further, Arduino IO expansion board is still including setting up the status light 25 on base plate 01, wherein, status light 25 sets up in bus socket 23 and the circuit of external power supply connection.

In this embodiment, as shown in the schematic circuit connection diagram of fig. 3, the circuit of the status light 25 includes a resistor R and an indicator light LED connected in series, one end of the resistor R is connected to the +5V positive electrode of the external power supply, and the other end of the resistor R is connected to the GND negative electrode of the external power supply.

According to the open-source hardware Arduino IO expansion board provided by the embodiment, the anti-reverse-plugging four-wire socket module and the three-wire socket module and the bus socket module connected with the four-wire socket module and the three-wire socket module are arranged on the substrate, so that the Arduino development board is prevented from being damaged by wiring errors of students, and the operation of the Arduino IO expansion board is simpler; the four-wire socket module, the three-wire socket module and the bus socket module are connected with an external power supply, and the connection mode of the Arduino IO expansion board is more uniform, simple and practical due to the adoption of the three-wire distributed wiring mode of connecting the positive electrode and the negative electrode of the external power supply and connecting the signal wire of the bus socket module;

through the arrangement, the problems that the Arduino I/O expansion board in the prior art is complex in operation, easy to damage and poor in practicability are solved, the teaching efficiency of teachers can be improved, the learning effect of students is facilitated, and the innovation capacity of primary and secondary school students can be better cultured;

meanwhile, the design not only improves the teaching efficiency of teachers, but also facilitates the learning effect of students on the aspect of electronic design, and is more beneficial to the culture of the innovation capacity of primary and secondary school students.

Example two

This embodiment provides an open source hardware Arduino IO expansion board on the basis of embodiment one for carry out the IO extension to Arduino development board, further, Arduino IO expansion board is still including setting up locating hole 26 of base plate 01 side, as shown in fig. 2, locating hole 26's position with the position of the locating hole of Arduino development board is coincide, locating hole 26's size with the size of the locating hole of Arduino development board is unanimous.

The utility model provides a pair of open source hardware Arduino IO expansion board, the position of locating hole corresponds the setting as required carries out the position of locating hole in the Arduino development board of IO extension, connects Arduino IO expansion board and Arduino development board when conveniently follow-up carrying out electronic design, and it is more simple and convenient to operate.

To sum up, the utility model provides a pair of open source hardware Arduino IO expansion board, including the base plate to and four-wire socket module, three-wire socket module and the bus socket module of setting on the base plate, wherein, four-wire socket module, three-wire socket module and bus socket module all are connected with external power supply, four-wire socket module and three-wire socket module all are connected with the bus socket module, this kind is connected external power supply's positive and negative pole, and the three-wire system distributed wiring mode of being connected with the signal line of bus socket module makes the wiring mode of Arduino IO expansion board more unified; the four-wire socket of the four-wire socket module and the three-wire socket of the three-wire socket module are anti-reverse-plugging sockets, so that the Arduino development board is prevented from being damaged by wiring errors of students, and the operation of the Arduino IO expansion board is simpler; through the arrangement, the problems that an Arduino I/O expansion board in the prior art is complex in operation, easy to damage and poor in practicability are solved, and the purposes of improving teaching efficiency of teachers, reducing damage rate of electronic devices and reducing teaching cost are achieved; the utility model discloses not only can promote teacher's efficiency of giving lessons, also made things convenient for student's learning effect moreover, more be favorable to the cultivation of middle and primary school student's innovation ability.

It should be noted that the embodiments described above are only exemplary in the several embodiments provided in the present invention.

In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be apparent to persons skilled in the relevant art that various changes in form and detail can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an open source hardware Arduino IO expansion board for carry out IO expansion to Arduino development board, a serial communication port, Arduino IO expansion board includes base plate (01) to and set up four-wire socket module (02), three-wire socket module (03) and bus socket module (04) on base plate (01), wherein, four-wire socket module (02), three-wire socket module (03) and bus socket module (04) are through the power cord connection external power supply of expansion board, the lead wire of four-wire socket module (02) and three-wire socket module (03) with the corresponding pin connection of bus socket module (04), four-wire socket module (02) includes at least one four-wire socket, three-wire socket module (03) includes at least one three-wire socket, bus socket module (04) includes at least one bus socket, wherein, the four-wire socket and the three-wire socket are anti-reverse-plugging sockets.

2. The open-source hardware Arduino IO expansion board according to claim 1, wherein the bus socket module (04) comprises one bus socket (23), the bus socket (23) comprising an analog interface (231) and a digital interface (232).

3. Open-source hardware Arduino IO expansion board according to claim 2, characterized in that said four-wire socket module (02) comprises 6 four-wire sockets, respectively connected to the digital interfaces (232) of said bus sockets (23).

4. The open source hardware Arduino IO expansion board according to claim 2, characterized in that the three-wire socket module (03) comprises 12 three-wire sockets, wherein each three-wire socket is connected to an analog interface (231) or a digital interface (232) of the bus socket (23), respectively.

5. The open-source hardware Arduino IO expansion board of claim 1, wherein the anti-reverse-plug socket is a 2.54mm standard pitch double-ended flat cable anti-reverse-plug socket.

6. The open source hardware Arduino IO expansion board of claim 1, wherein the bus socket is a 2.54mm standard pitch external I2C bus socket.

7. The open source hardware Arduino IO expansion board of claim 1 wherein the location of the interface of the bus socket coincides with the location of the I/O interface in the Arduino development board.

8. The open source hardware Arduino IO expansion board according to any one of claims 1-7, further comprising a reset switch (24) disposed on the substrate (01), wherein the reset switch (24) is disposed in a circuit connecting the bus socket (23) and an external power source.

9. The open source hardware Arduino IO expansion board according to any one of claims 1-7, further comprising a status light (25) disposed on the substrate (01), wherein the status light (25) is disposed in a circuit connecting the bus socket (23) with an external power source.

10. The open source hardware Arduino IO expansion board according to any one of claims 1-7, wherein the Arduino IO expansion board further comprises a positioning hole (26) disposed on a side of the substrate (01), the positioning hole (26) is matched with the positioning hole of the Arduino development board, and the size of the positioning hole (26) is the same as that of the Arduino development board.

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