Programmable teaching circuit mainboard

Abstract

The utility model provides a programmable teaching circuit mainboard. The programmable teaching circuit mainboard is composed of a USB connector module, an MCU module and a wiring terminal module which are arranged on a circuit board. The USB connector module is connected with the MCU module, and the USB connector module is used for being connected with an upper computer; the wiring terminal module is connected with the MCU module, and the wiring terminal module is used for being connected with a peripheral module; and the MCU module supplies power to the peripheral module through the wiring terminal module and performs signal interaction with the peripheral module. According to the utility model, the programmable teaching circuit main board can be directly connected with the upper computer through the USB cable, so that the functions of power supply, program burning, debugging information input and output and the like are realized, and other chips and circuits do not need to be added, so that the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit mainboard technical field, concretely relates to a programmable teaching circuit mainboard. BACKGROUND

[0002] The programmable teaching circuit mainboard in prior art mainly develops in the direction of universality, installs as many wiring terminals (or connector such as pin, female pin) as possible on the mainboard, exposes all IO (Input / Output) of main control chip, so that the single model of this kind of product can be used in many scenes. But while maintaining this characteristic of universality, it also makes the product larger, the circuit more complex, the manufacturing material more, the cost higher. And in most scenes, only a small part of resources and wiring terminals are used, and a large number of resources and wiring terminals are idle, which also causes the waste of resources.

[0003] Therefore, it is necessary to design a programmable teaching circuit mainboard which is small and easy to use, has a certain universality and can reduce the popularization cost to a certain extent to solve the technical problems faced at present. CONTENT OF UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the utility model provides a programmable teaching circuit mainboard which is small and easy to use, has a certain universality and can reduce the popularization cost to a certain extent.

[0005] The technical scheme of the utility model is: the programmable teaching circuit mainboard is composed of a USB connector module, an MCU module and a wiring terminal module arranged on a circuit board; the USB connector module is connected with the MCU module, and the USB connector module is used to be connected with an upper computer; the wiring terminal module is connected with the MCU module, and the wiring terminal module is used to be connected with a peripheral module; the MCU module supplies power to the peripheral module through the wiring terminal module and carries out signal interaction between the peripheral module.

[0006] The wiring terminal module includes one or two wiring terminals.

[0007] The wiring terminal module includes one wiring terminal, and the wiring terminal is a 2P wiring terminal, a 3P wiring terminal, a 4P wiring terminal or a 5P wiring terminal.

[0008] The wiring terminal module includes two wiring terminals; one of the wiring terminals is a 2P wiring terminal, a 3P wiring terminal, a 4P wiring terminal or a 5P wiring terminal; and the other wiring terminal is a 2P wiring terminal, a 3P wiring terminal, a 4P wiring terminal or a 5P wiring terminal.

[0009] The wiring terminal module comprises two wiring terminals, one of which is a 2P wiring terminal, and the other is a 2P wiring terminal, and the two wiring terminals are arranged on the circuit board along the same line.

[0010] The wiring terminal module comprises two wiring terminals, one of which is a 2P wiring terminal, and the other is a 3P wiring terminal, and the two wiring terminals are arranged on the circuit board along the same line.

[0011] The two wiring terminals are arranged in parallel on the circuit board.

[0012] When the number of pins in the two wiring terminals is different, the wiring terminal with fewer pins is close to the edge of the circuit board.

[0013] The wiring terminal is a straight pin socket or a bent pin socket.

[0014] The circuit board is a rectangular plate body, and a fixing hole is formed at each corner of the circuit board.

[0015] The beneficial effects of the present application are as follows:

[0016] (1) In the present application, the programmable teaching circuit mainboard can be directly connected with the upper computer through the USB cable, realizing the functions of power supply, program burning, debugging information input and output, etc., without the need to add other chips and circuits, thereby reducing the cost.

[0017] (2) The programmable teaching circuit mainboard only contains one or two wiring terminal modules for connecting peripheral modules, which can make the circuit mainboard simple, small, easy to use, and have a certain universality, thereby reducing the popularization cost, improving the utilization rate, and improving the environmental friendliness. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The present application is a schematic diagram of the programmable teaching circuit mainboard.

[0019] Fig. 2 The present application is a schematic diagram of the programmable teaching circuit mainboard.

[0020] Fig. 3 The present application is a schematic diagram of the programmable teaching circuit mainboard. DETAILED DESCRIPTION

[0021] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. The application can be implemented in any of numerous ways, not just the examples described herein. These examples are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. It should be noted that the relative arrangement of components and steps illustrated in these examples, the components of the materials, numerical expressions, and numerical values are to be interpreted as merely illustrative, unless otherwise specifically stated, and are not to be construed as limiting.

[0022] The terms "first", "second", and similar terms used in the present application do not denote any order, number, or importance, but are only used to distinguish different parts. The terms "comprise", "include", and similar terms mean that the elements before the term encompass the elements listed after the term, and do not exclude the possibility of also encompassing other elements. "Up", "down", "left", "right", and the like are only used to indicate relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] As Figs. 1 to 3As shown, the programmable teaching circuit mainboard is composed of a USB connector module 11, an MCU module 12 and a terminal block module 13 arranged on the circuit board 1; the USB connector module 11 is connected with the MCU module 12, and is used for connecting with the host computer 2; the terminal block module 13 is connected with the MCU module 12, and is used for connecting with the peripheral module 3; the MCU module 12 supplies power to the peripheral module 3 through the terminal block module 13 and performs signal interaction with the peripheral module 3; in this embodiment, the programmable teaching circuit mainboard can be directly connected with the host computer 2 through a USB cable to realize functions such as power supply, program burning, debugging information input and output, without the need to add other chips and circuits, thereby reducing the cost; the programmable teaching circuit mainboard only contains one or two terminal block modules 13 for connecting the peripheral module, which can make the circuit mainboard simple, compact, easy to use and have a certain universality, thereby reducing the popularization cost, improving the utilization rate and enhancing the environmental friendliness; the host computer 2 is used for realizing code writing, compiling, program burning to the MCU module 12, setting, real-time communication operation and other basic functions, and meets the needs of programming teaching experiments or practical new-type creation of creators; the host computer 2 can be a desktop or notebook computer, a tablet computer, a mobile phone or the like, and the host computer 2 is installed with a code editor, a compiling tool chain, a debugging tool, a driver program, teaching and experimental software and the like; the USB connector module 11 is mainly composed of a USB male head or a female seat, and can be attached with necessary accessories such as a self-recovery fuse and an LED indicator light; the main functions include a power supply interface, a host computer communication interface (which can include a debugging information input and output interface) and a program burning interface; the MCU module 12 is mainly composed of an MCU chip and peripheral elements and circuits, and can be attached with a programmable status indication LED; the MCU module 12 needs to support a USB-Device device mode; through software and hardware cooperation, the host computer 2 can burn a program and control MCU reset through the USB connection, and the MCU chip preferably selects a type supporting a built-in oscillation circuit to eliminate the use of a crystal oscillator in most scenarios, thereby reducing the cost; the MCU module 12 is used for executing a code, receiving an input signal through the terminal block module, outputting a control signal to the peripheral module, supplying power to the peripheral module and performing other communication with the peripheral module; specifically, in some embodiments, the MCU chip in the MCU module 12 can select a CH55x, a CH54x or a single-chip microcomputer with similar characteristics.

[0024] In some embodiments, the terminal block module 13 includes one or two terminal blocks 131; through the terminal blocks 131, the circuit mainboard in this embodiment can be connected with one or more peripheral modules 3 to form a circuit system with actual teaching or application value; or the circuit mainboard in this embodiment can be connected with the host computer 2 and one or more peripheral modules 3 to form a circuit system with actual teaching or application value.

[0025] In some embodiments, the wiring terminal module 13 includes a wiring terminal 131, which is a 2P wiring terminal, a 3P wiring terminal, a 4P wiring terminal, or a 5P wiring terminal; when the wiring terminal 131 is a 2P wiring terminal, it can be used to connect a single indicator / lighting lamp, a general light strip, a DC motor (which can be a fan, a water pump, a vibrator, etc.), a buzzer, a speaker, a micro laser, an electric heating wire (or heating sheet), an electromagnet, an infrared emitter, a switch, and any 2P sensor, etc.; when the wiring terminal 131 is a 3P wiring terminal, it can be used to connect a programmable light strip, a switch module, a touch module, a potentiometer module, a relay module, and an infrared receiving module, a temperature sensor module, a light-sensitive module, a Hall sensor module, a thermal sensor module, a sound sensor module, a soil moisture sensor module, a raindrop sensor module, a water level module, and any 3P sensor module; when the wiring terminal 131 is a 4P wiring terminal, it can be used to connect an RGB color light module, an ultrasonic module, a traffic light module, and any device or module supporting I2C, 12S, UART, etc. interface (such as a display screen module, a digital tube module, a digital temperature and humidity sensor module, a heat release sensor module, etc.); when the wiring terminal 131 is a 5P wiring terminal, it can be used to connect a joystick module, a dot matrix screen module, an encoder module, a clock module, and any device or module supporting SPI or similar interface, etc.

[0026] In some embodiments, the terminal module 13 includes two terminal 131; one of the terminals 131 is a 2P terminal, a 3P terminal, a 4P terminal or a 5P terminal; the other terminal 131 is a 2P terminal, a 3P terminal, a 4P terminal or a 5P terminal; in particular, both terminals 131 are 2P terminals, which can support the connection of two 2P peripheral devices or modules at the same time; when one of the terminals 131 is a 2P terminal and the other is a 3P terminal, it can support the connection of one 2P device or module and one 3P device or module at the same time; when one of the terminals 131 is a 3P terminal and the other is a 4P terminal, it can support the connection of one 3P device or module and one 4P device or module at the same time; when one of the terminals 131 is a 2P terminal and the other is a 4P terminal, it can support the connection of one 2P device or module and one 4P device or module at the same time; when both terminals 131 are 3P terminals, it can support the connection of two 3P peripheral devices or modules at the same time; when one of the terminals 131 is a 3P terminal and the other is a 4P terminal, it can support the connection of one 3P device or module and one 4P device or module at the same time; when one of the terminals 131 is a 3P terminal and the other is a 5P terminal, it can support the connection of one 3P device or module and one 5P device or module at the same time; when both terminals 131 are 4P terminals, it can support the connection of two 4P peripheral devices or modules at the same time; when one of the terminals 131 is a 4P terminal and the other is a 5P terminal, it can support the connection of one 4P device or module and one 5P device or module at the same time; when both terminals 131 are 5P terminals, it can support the connection of two 5P peripheral devices or modules at the same time.

[0027] In some embodiments, as shown in FIG. 13A, the terminal module 13 includes two terminals 131, one of which is a 2P terminal and the other is a 2P terminal, and the two terminals 131 are arranged along the same line on the circuit board 1. This layout is suitable for cases where the number of pins and the occupied space of the two terminals 131 are relatively small. Fig. 2

[0028] In some embodiments, as shown in FIG. 13B, the terminal module 13 includes two terminals 131, one of which is a 2P terminal and the other is a 3P terminal, and the two terminals 131 are arranged along the same line on the circuit board 1. Fig. 2

[0029] In some embodiments, as shown in FIG. 13C, the two terminals are arranged in parallel on the circuit board. Fig. 3 ​​​

[0030] In some embodiments, the number of pins in the two terminal 131 is different, the number of pins of one terminal 131 is less close to the edge of the circuit board 1, so that the fixed hole is set to the end of the circuit board 1, the circuit board space can be fully utilized, which is beneficial to reduce the size of the circuit board 1.

[0031] In some embodiments, the terminal 131 is a straight pin socket or a bent pin socket.

[0032] In some embodiments, the circuit board 1 is a rectangular plate body, and the fixed hole 14 is arranged at each corner of the circuit board 1.

[0033] So far, the various embodiments of the present application have been described in detail. In order to avoid shielding the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0034] The above-described embodiments only express some implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, some modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A programmable teaching circuit main board characterized by: The USB connector module, the MCU module and the terminal module are arranged on the circuit board; The USB connector module is connected with the MCU module, and is used for connecting with the upper computer; The terminal module is connected with the MCU module, and is used for connecting with the peripheral module; The MCU module supplies power to the peripheral module through the terminal module and interacts with the peripheral module.

2. The programmable teaching electrical circuit motherboard of claim 1, wherein: The terminal module includes one or two terminals.

3. The programmable teaching electrical circuit motherboard of claim 2, wherein: The terminal module includes one terminal, which is a 2P terminal, a 3P terminal, a 4P terminal or a 5P terminal.

4. The programmable teaching electrical circuit motherboard of claim 2, wherein: The terminal module includes two terminals, one of which is a 2P terminal, a 3P terminal, a 4P terminal or a 5P terminal, and the other is a 2P terminal, a 3P terminal, a 4P terminal or a 5P terminal.

5. The programmable teaching electrical circuit motherboard of claim 4, wherein: The terminal module includes two terminals, one of which is a 2P terminal, and the other is a 2P terminal, and the two terminals are arranged along the same line on the circuit board.

6. The programmable teaching electrical circuit motherboard of claim 4, wherein: The terminal module includes two terminals, one of which is a 2P terminal, and the other is a 3P terminal, and the two terminals are arranged along the same line on the circuit board.

7. The programmable teaching electrical circuit motherboard of claim 4, wherein: The two terminals are arranged in parallel on the circuit board.

8. The programmable teaching electrical circuit motherboard of claim 7, wherein: When the number of pins in the two terminals is different, the terminal with fewer pins is close to the edge of the circuit board.

9. The programmable teaching electrical circuit motherboard of claim 1, wherein: The terminal is a straight pin socket or a bent pin socket.

10. The programmable teaching electrical circuit motherboard of claim 1, wherein: The circuit board is a rectangular plate body, and a fixing hole is formed at each corner of the circuit board.

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