CN220491476U - Development board for teaching of small single-chip microcomputer - Google Patents
Development board for teaching of small single-chip microcomputer Download PDFInfo
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- CN220491476U CN220491476U CN202322263956.8U CN202322263956U CN220491476U CN 220491476 U CN220491476 U CN 220491476U CN 202322263956 U CN202322263956 U CN 202322263956U CN 220491476 U CN220491476 U CN 220491476U
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Abstract
The utility model belongs to the field of development boards, and particularly relates to a development board for teaching of a small single-chip microcomputer. The technology includes the PCB board, installs the singlechip on the PCB board, install on the PCB board be used for with communication module detachable connection's communication interface, install be used for with display module detachable connection's display interface, install be used for with temperature sensor detachable connection's temperature sensor collection interface, install be used for with infrared receiving module detachable connection's infrared receiving interface and two USB download module, communication interface, display interface, collection interface, receiving interface and two USB download module are connected with the singlechip electricity respectively, the singlechip is used for receiving and handling communication interface, display interface, collection interface, receiving interface and the data information that two USB download module were located. The utility model can repeatedly use the development board and the electronic element, thereby reducing the economic expenditure of students; the development board is convenient to carry.
Description
Technical Field
The utility model belongs to the field of development boards, and particularly relates to a development board for teaching of a small single-chip microcomputer.
Background
Development boards are used for experimental teaching in the fields of electronic engineering, computer engineering, mechanical engineering and the like of universities. The existing development board for the small-sized singlechip teaching can be welded with corresponding electronic components such as a Bluetooth module, a temperature acquisition module, a liquid crystal display screen and the like according to the experiment requirement when teaching experiments are carried out, and the electronic components are operated and used according to the experiment requirement after being welded.
However, the existing development board for the small-sized singlechip teaching has the following problems: when the existing development board is used, because electronic elements such as a Bluetooth module, a temperature acquisition module and a liquid crystal display screen are required to be welded on the development board, and meanwhile, after an experiment is completed, the electronic elements such as the development board for the small-sized single-chip microcomputer teaching, the Bluetooth module, the temperature acquisition module and the liquid crystal display screen form a whole, so that the electronic elements such as the development board for the small-sized single-chip microcomputer teaching, the Bluetooth module, the temperature acquisition module and the liquid crystal display screen cannot be repeatedly used, and students need to purchase the electronic elements such as the development board for the small-sized single-chip microcomputer teaching, the Bluetooth module, the temperature acquisition module and the liquid crystal display screen from new time when the next experiment is carried out, so that the economic expenditure of students is greatly increased; after the development board for singlechip teaching, the Bluetooth module, the temperature acquisition module, the liquid crystal display screen and other electronic elements form a whole, the volume of the development board is greatly increased, so that the development board is inconvenient for students to carry.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the development board for the small-sized singlechip teaching is convenient to carry, and the development board and the electronic element can be repeatedly used, so that the economic expenditure of students is reduced.
The development board for teaching of the small-sized single chip microcomputer comprises a PCB board, wherein the single chip microcomputer is installed on the PCB board, a communication interface which is used for being detachably connected with a communication module, a display interface which is used for being detachably connected with a display module, a temperature sensor acquisition interface which is used for being detachably connected with a temperature sensor are installed on the PCB board, an infrared receiving interface and a double USB downloading module which are used for being detachably connected with an infrared receiving module are installed on the PCB board, the communication interface, the display interface, the acquisition interface, the receiving interface and the double USB downloading module are respectively connected with the single chip microcomputer, and the single chip microcomputer is used for receiving and processing data information of the communication interface, the display interface, the acquisition interface, the receiving interface and the double USB downloading module.
Further, the communication interface comprises a Bluetooth communication interface which is arranged on the PCB and is detachably connected with the Bluetooth module, a WiFi communication interface which is arranged on the PCB and is detachably connected with the WiFi module, and a 2.4G communication interface which is arranged on the PCB and is detachably connected with the 2.4G module, wherein the Bluetooth communication interface, the WiFi communication interface and the 2.4G communication interface are respectively and electrically connected with the singlechip, and the singlechip is used for receiving and processing data information transmitted by the Bluetooth communication interface, the WiFi communication interface and the 2.4G communication interface.
Further, the display interface comprises a 12864 liquid crystal display interface which is arranged on the PCB and is detachably connected with the 12864 liquid crystal display screen, and an OLED liquid crystal display interface which is detachably connected with the OLED liquid crystal display screen, wherein the 12864 liquid crystal display interface and the OLED liquid crystal display interface are respectively and electrically connected with the singlechip.
Further, an LED running light module and a nixie tube display module are mounted on the PCB, and the LED running light module and the nixie tube display module are respectively and electrically connected with the single chip microcomputer.
Further, a power switch and a buzzer are arranged on the PCB, the buzzer is electrically connected with the singlechip, and the singlechip is used for controlling the on-off of the buzzer.
Furthermore, an I2C bus driving module and a power conversion module are arranged on the PCB, and the I2C bus driving module is electrically connected with the single chip.
Furthermore, the PCB is provided with an independent key module and a power supply external interface.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the students firstly install the connectors corresponding to the interfaces on the development board on the electronic components such as the Bluetooth module, the temperature acquisition module and the liquid crystal display screen, and when experiments are carried out, the students can finish the installation by only inserting the connectors on the electronic components into the corresponding interfaces, and after the experiments are finished, the connectors of the electronic components are pulled out from the interfaces, so that the electronic components can be detached from the development board, thereby the development board and the electronic components can be repeatedly used, and the economic expenditure of the students is reduced; meanwhile, the electronic element is detached from the development board and pulled, so that the development board is more convenient to carry.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a block diagram of the present utility model;
FIG. 3 is a circuit diagram of a single-chip microcomputer;
FIG. 4 is a circuit diagram of a dual USB interface circuit;
FIG. 5 is a circuit diagram of a power supply external interface circuit;
FIG. 6 is a circuit diagram of a nixie tube display circuit;
FIG. 7 is a circuit diagram of a Bluetooth interface circuit;
FIG. 8 is a circuit diagram of WiFi and 2.4G interface circuits;
fig. 9 is a circuit diagram of the buzzer;
FIG. 10 is a circuit diagram of an infrared receiving circuit;
FIG. 11 is a circuit diagram of a temperature acquisition circuit;
FIG. 12 is a circuit diagram of an LED display circuit;
FIG. 13 is a circuit diagram of an OLED interface circuit;
FIG. 14 is a circuit diagram of a power conversion circuit;
FIG. 15 is a circuit diagram of an I2C bus driving circuit
FIG. 16 is a circuit diagram of an independent button circuit;
FIG. 17 is a circuit diagram of 12864 display interface circuits;
the names of the components in the figure are as follows: 1. PCB 2, singlechip 3, nixie tube display module 4, 12864 LCD interface 5, temperature sensor gathers interface 6, infrared receiving interface 7, power external supply interface 8, power conversion module 9, independent button module 10, I2C bus driving module 11, OLED LCD interface 12, two USB download module 13, wiFi communication interface 14, bluetooth communication interface 15, 2.4G communication interface 16, switch 17, buzzer 18, LED running water lamp module.
Detailed Description
The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Example 1
The development board for the small-sized singlechip teaching comprises a PCB 1, wherein a singlechip 2 is arranged on the PCB 1, and in actual application, the singlechip of STC12C5A60S2 type is adopted, and the singlechip 2; a circuit diagram, as shown in fig. 3;
the PCB 1 is provided with a Bluetooth communication interface 14 for detachable connection with a Bluetooth module, a WiFi communication interface 13 for detachable connection with a WiFi module and a 2.4G communication interface 15 for detachable connection with a 2.4G module, and the whole text forms a communication interface for detachable connection with the communication module; in practical application, the communication interface can also be a 4G communication interface detachably connected with the 4G communication module;
further, the bluetooth communication interface 14, the WiFi communication interface 13, and the 2.4G communication interface 15 are electrically connected to the single chip microcomputer 2, and the single chip microcomputer 2 is configured to receive and process data information transmitted by the bluetooth communication interface 14, the WiFi communication interface 13, and the 2.4G communication interface 15; in practical application, the bluetooth communication interface 14 is connected with the single chip microcomputer 2 through a bluetooth interface circuit, and a circuit diagram of the bluetooth interface circuit is shown in fig. 7; in practical application, the WiFi communication interface 13 is connected with the singlechip 2 through a WiF interface circuit, and a circuit diagram of the WiFi interface circuit is shown in fig. 8; in practical application, the 2.4G communication interface 15 is connected with the singlechip 2 through a 2.4G interface circuit, and a circuit diagram of the 2.4G interface circuit is shown in fig. 8;
the PCB 1 is provided with a 12864 liquid crystal display interface 4 which is detachably connected with a 12864 liquid crystal display screen and an OLED liquid crystal display interface 11 which is detachably connected with an OLED liquid crystal display screen, and the text forms a display interface which is detachably connected with a display module;
further, in practical application, 12864 liquid crystal display interface 4 is connected with singlechip 2 through 12864 display interface circuit, and adopts 12864 interface circuit of JLX12864G-086-PC tape word stock IC module, circuit diagram of 12864 display interface circuit is shown in fig. 17; in practical application, the OLED liquid crystal display interface 11 is connected with the single-chip microcomputer 2 through an OLED interface circuit, and a circuit diagram of the OLED interface circuit is shown in fig. 13;
the temperature sensor acquisition interface is arranged and is used for being detachably connected with the temperature sensor, the infrared receiving interface and the double USB downloading module 12 are arranged and are used for being detachably connected with the infrared receiving module, the communication interface, the display interface, the acquisition interface, the receiving interface and the double USB downloading module 12 are respectively and electrically connected with the singlechip 2, and the singlechip 2 is used for receiving and processing data information of the communication interface, the display interface, the acquisition interface, the receiving interface and the double USB downloading module 12;
the acquisition interface is connected with the singlechip 2 through a temperature acquisition circuit, and a circuit diagram of the temperature acquisition circuit is shown in fig. 11; in practical application, the infrared receiving interface is connected with the singlechip 2 through an infrared receiving circuit, and a circuit diagram of the infrared receiving circuit is shown in fig. 10;
the dual-USB download module 12 includes two USB interfaces, one of which is a square-port USB (USB 1) and the other of which is a micro USB (USB 2), and a dual-USB interface circuit; in practical application, the dual-USB download module 12 is connected to the single-chip microcomputer 2 through a dual-USB interface circuit, and the circuit diagram of the dual-USB interface circuit is shown in fig. 4.
In the embodiment, during actual production, all resistors, capacitors and inductors on the PCB board 1 are of a patch type, so that the volume of the PCB board 1 is reduced.
In this embodiment, as shown in fig. 1, the WiFi communication interface 13, the bluetooth communication interface 14 and the 2.4G communication interface 15 are centralized at the same position on the PCB board 1, and the temperature sensor acquisition interface 5 and the infrared receiving interface 6 are centralized at the same position.
In practical use, the students install the connectors corresponding to the interfaces on the development board on the electronic components such as the Bluetooth module, the temperature acquisition module and the liquid crystal display screen, when the experiments are carried out, the electronic components to be used are installed on the development board according to the content of the experiments, when the electronic components are installed, the installation of the electronic components can be completed only by inserting the connectors on the electronic components into the corresponding interfaces, after the installation is completed, after the experiments are carried out, the connectors of the electronic components are pulled out from the interfaces, and the electronic components can be detached from the development board, so that the development board and the electronic components can be repeatedly used, and the economic expenditure of the students is reduced; meanwhile, the electronic element is detached from the development board and pulled, so that the development board is more convenient to carry.
Example 2
The technology is further described in this embodiment, the LED running light module 18 and the nixie tube display module 3 are mounted on the PCB board 1, the LED running light module 18 and the nixie tube display module 3 are respectively electrically connected with the single chip microcomputer 2, and in practical application, the LED running light module 18 includes an LED light and an LED display circuit, the LED running light module 18 is electrically connected with the single chip microcomputer 2 through the LED display circuit, and a circuit diagram of the LED display circuit is shown in fig. 12; in practical application, the nixie tube display module 3 comprises a nixie tube and a nixie tube display circuit, and the nixie tube display module 3 is connected with the singlechip 2 through the nixie tube display circuit, and a circuit diagram of the nixie tube display circuit is shown in fig. 6.
In this embodiment, the LED running light module 18 can perform running light experiments, and the nixie tube on the nixie tube display module 3 can provide real-time feedback and prompt, and perform various digital experiments.
Example 3
The technology will be further described in this embodiment, the PCB board 1 is provided with a power switch 16 and a buzzer 17, the buzzer 17 is electrically connected with the singlechip 2, the singlechip 2 is used for controlling the on-off of the buzzer 17, and in practical application, a circuit diagram of the buzzer 17 is shown in fig. 9.
In the embodiment, the power switch 16 is used for controlling the power on and power off of the development board for the small-sized singlechip teaching; when the development board for the small-sized singlechip teaching is used for experiments, different sounds can be emitted through the buzzer 17.
Example 4
The technology is further described in this embodiment, the PCB board 1 is mounted with an I2C bus driving module 10 and a power conversion module 8, the I2C bus driving module 10 is electrically connected with the single chip microcomputer 2, the I2C bus driving module 10 includes a PCF8563 clock chip, a 24C02 memory chip and an I2C bus driving circuit, and a circuit diagram of the I2C bus driving circuit is shown in fig. 15; in practice, the power conversion circuit diagram of the power conversion module 8 is shown in fig. 14.
In the embodiment, the I2C bus is respectively linked with the PCF8563 clock chip and the 24C02 memory chip, so that the number of connecting wires of a data communication and control circuit can be greatly reduced, the complexity of a system is reduced, and the cost is saved; the current with the voltage of 5V is converted into the current of 3.3V by the power conversion module 8 for use.
Example 5
In this embodiment, the technology is further described, where the PCB board 1 is provided with an independent key module 9 and a power supply external interface 7, and in practical application, the independent key module 9 includes a key and an independent key circuit, and a circuit diagram of the independent key circuit is shown in fig. 16; in actual application, the key module interface is further optimized, and a key module interface is reserved on the PCB 1, so that the keys can be expanded according to actual requirements in a later period; in practical application, the circuit diagram of the power supply external interface 7 is shown in fig. 5; in practical application, a power interface can be provided for other peripheral devices through the power external supply interface 7.
Claims (7)
1. The utility model provides a development board is used in teaching of small-size singlechip, includes PCB board (1), installs singlechip (2), its characterized in that on PCB board (1): the PCB board (1) is provided with a communication interface which is used for being detachably connected with the communication module, a display interface which is used for being detachably connected with the display module, a temperature sensor acquisition interface which is used for being detachably connected with the temperature sensor, an infrared receiving interface which is used for being detachably connected with the infrared receiving module and a double USB downloading module (12), wherein the communication interface, the display interface, the acquisition interface, the receiving interface and the double USB downloading module (12) are respectively and electrically connected with the singlechip (2), and the singlechip (2) is used for receiving and processing data information of the communication interface, the display interface, the acquisition interface, the receiving interface and the double USB downloading module (12).
2. The development board for teaching of a small-sized single-chip microcomputer according to claim 1, wherein: the communication interface comprises a Bluetooth communication interface (14) which is arranged on the PCB (1) and detachably connected with the Bluetooth module, a WiFi communication interface (13) which is arranged on the PCB (1) and detachably connected with the WiFi module, and a 2.4G communication interface (15) which is arranged on the PCB (1) and detachably connected with the 2.4G module, wherein the Bluetooth communication interface (14), the WiFi communication interface (13) and the 2.4G communication interface (15) are respectively electrically connected with the singlechip (2), and the singlechip (2) is used for receiving and processing data information transmitted by the Bluetooth communication interface (14), the WiFi communication interface (13) and the 2.4G communication interface (15).
3. The development board for teaching of a small-sized single-chip microcomputer according to claim 1, wherein: the display interface comprises a 12864 liquid crystal display interface (4) which is arranged on the PCB (1) and is detachably connected with the 12864 liquid crystal display screen, and an OLED liquid crystal display interface (11) which is detachably connected with the OLED liquid crystal display screen, wherein the 12864 liquid crystal display interface (4) and the OLED liquid crystal display interface (11) are respectively and electrically connected with the singlechip (2).
4. The development board for teaching of small-sized single-chip microcomputer according to claim 3, wherein: an LED running light module (18) and a digital tube display module (3) are mounted on the PCB (1), and the LED running light module (18) and the digital tube display module (3) are respectively and electrically connected with the singlechip (2).
5. The development board for teaching of small-sized single-chip microcomputer according to claim 4, wherein: the PCB (1) is provided with a power switch (16) and a buzzer (17), the buzzer (17) is electrically connected with the singlechip (2), and the singlechip (2) is used for controlling the on-off of the buzzer (17).
6. The development board for teaching of a small-sized single-chip microcomputer according to claim 1, wherein: an I2C bus driving module (10) and a power supply conversion module (8) are arranged on the PCB (1), and the I2C bus driving module (10) is electrically connected with the singlechip (2).
7. The development board for teaching of small-sized single-chip microcomputer according to claim 6, wherein: the PCB (1) is provided with an independent key module (9) and a power supply external interface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263956.8U CN220491476U (en) | 2023-08-23 | 2023-08-23 | Development board for teaching of small single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263956.8U CN220491476U (en) | 2023-08-23 | 2023-08-23 | Development board for teaching of small single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220491476U true CN220491476U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322263956.8U Active CN220491476U (en) | 2023-08-23 | 2023-08-23 | Development board for teaching of small single-chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220491476U (en) |
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2023
- 2023-08-23 CN CN202322263956.8U patent/CN220491476U/en active Active
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