Artificial intelligence course teaching device
By designing an AI curriculum teaching device that includes a Micro:bit microcomputer motherboard, a soil moisture sensor, a gesture recognition sensor, and an ultrasonic sensor, the problems of poor interactivity and insufficient security in existing programming education products have been solved, thus meeting the learning needs of multiple age groups and stimulating their learning interest.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN NEWTA TECHNOLOGY CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-06-30
AI Technical Summary
Existing programming education products lack interaction with actual hardware devices, failing to stimulate children's learning interest, and lack safe and reliable hardware design, making it difficult to meet the learning needs of children of different ages.
Design an artificial intelligence course teaching device, which includes a Micro:bit microcomputer motherboard, a soil moisture sensor, a gesture recognition sensor, and an ultrasonic sensor. It adopts a modular design, supports multiple programming languages and peripheral connections, and provides systematic teaching resources and safety protection measures.
By interacting with actual hardware devices, it enhances learning interest and safety, meets the learning needs of children of different ages, lowers the threshold for learning programming, expands the application scope of the system, and provides portable and systematic teaching.
Smart Images

Figure CN224437057U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of teaching equipment technology, specifically to a teaching device for artificial intelligence courses. Background Technology
[0002] In recent years, programming education has gradually gained attention, and programming skills have become one of the core competencies of future society. However, existing programming education products generally suffer from the following shortcomings: a lack of interaction with actual hardware devices, failing to stimulate children's learning interest; a lack of safe and reliable hardware design, potentially causing harm to children; and a lack of systematic teaching resources, making it difficult to meet the learning needs of children of different ages. Summary of the Invention
[0003] The purpose of this application is to provide an artificial intelligence course teaching device to address the following shortcomings of existing programming education products: lack of interaction with actual hardware devices, which fails to stimulate children's learning interest; lack of safe and reliable hardware design, which may cause harm to children; and lack of systematic teaching resources, which makes it difficult to meet the learning needs of children of different ages.
[0004] To achieve the above objectives, this application provides an artificial intelligence course teaching device, including: a Micro:bit microcomputer motherboard, a soil moisture sensor, a gesture recognition sensor, and an ultrasonic sensor, wherein...
[0005] The soil moisture sensor is connected to the P1 interface of the Micro:bit microcomputer motherboard.
[0006] The gesture recognition sensor is connected to the P0 or P1 interface of the Micro:bit microcomputer motherboard.
[0007] The ultrasonic sensor is connected to the P0 interface of the Micro:bit microcomputer motherboard.
[0008] Optionally, the GND pin of the soil moisture sensor is grounded, the VCC pin is connected to a +5V power supply, and the AUOT pin is connected to the P1 interface of the Micro:bit microcomputer motherboard.
[0009] Optionally, the ultrasonic sensor includes: an STC11 chip, a MAX232 chip, a TL074 chip, resistors R2, R3, R5, R6, RC7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, Ra, Rb, capacitors C1, C2, C3, C4, C6, C7, C8, C9, C10, C11, C12, C15, C16, a PNP transistor, an NPN transistor, a quartz crystal oscillator Y1, an ultrasonic transmitter T40, and an ultrasonic receiver R40, wherein...
[0010] The STC11 chip's P50 pin is connected to the trigger pin, its P67 pin to the echo signal output pin, its VDD pin to the +5V power supply and one end of capacitor C2 (the other end of C2 is grounded), its P65 pin to the capacitor C1 and one end of quartz crystal oscillator Y1 (the other end of C1 is grounded), its other end to the quartz crystal oscillator Y1 and one end of capacitor C6 (the other end of C6 is grounded), and its P53 pin to the resistor R. 5. Connect the other end of resistor R5 to the base of the PNP transistor. Connect the emitter of the PNP transistor to a +5V power supply. Connect the P51 pin of the STC11 chip to the T1IN pin of the MAX232 chip. Connect the P52 pin of the STC11 chip to the T2IN pin of the MAX232 chip. Connect the P60 pin of the STC11 chip to one end of resistors R9 and R7, and the collector of the NPN transistor. Connect the other end of resistor R7 to a +5V power supply. Connect the P61 pin of the STC11 chip to one end of resistor R6.
[0011] Optionally, the base of the NPN transistor is connected to one end of resistors Ra and Rb, respectively; the other end of resistor Rb is connected to the emitter of the NPN transistor and grounded; the other end of resistor R9 is connected to one end of resistor R10 and the 1IN+ pin of the TL074 chip; the other end of resistor Ra is connected to the 1OUT pin of the TL074 chip; the other end of resistor R6 is connected to one end of resistor R8; the other end of resistor R8 is connected to the 1IN- pin of the TL074 chip; the other end of resistor R10 is connected to the 2IN- pin of the TL074 chip and one end of resistor R12; the other end of resistor R12 is connected to the 2OUT pin of the TL074 chip and one end of capacitor C9; the other end of capacitor C9 is connected to one end of resistor R13; one end of resistor R11 is connected to the +5V power supply and one end of capacitor C16; the other end of capacitor C16 is grounded; and the other end of resistor R1... The other end of pin 1 is connected to one end of resistors R8, R16, RC7, and capacitor C7 respectively. The other ends of resistors R16, RC7, and capacitor C7 are all grounded. The 4OUT pin of the TL074 chip is connected to one end of resistors R19 and R18 respectively. The other end of resistor R18 is connected to one end of capacitor C15 and the 4IN- pin of the TL074 chip respectively. The other end of capacitor C15 is connected to one end of resistor R17. The other end of resistor R17 is connected to ultrasonic receiver R40. The 3IN+ pin of the TL074 chip is connected to one end of resistor R15. The other end of resistor R15 is connected to the other end of resistor R19 and one end of capacitors C10 and C12 respectively. The other end of capacitor C10 is connected to the 3IN- pin of the TL074 chip and one end of resistor R14 respectively. The other end of resistor R14 is connected to the 3OUT pin of the TL074 chip, the other end of capacitor C12, and the other end of resistor R13 respectively.
[0012] Optionally, the C1+ pin of the MAX232 chip is connected to one end of the capacitor C4, and the other end of the capacitor C4 is connected to the C1- pin of the MAX232 chip. The C2+ pin of the MAX232 chip is connected to one end of the capacitor C3, and the other end of the capacitor C3 is connected to the C2- pin of the MAX232 chip. The VCC pin of the MAX232 chip is connected to the collector of the PNP transistor. The VS+ pin of the MAX232 chip is connected to the capacitor C8, and the other end of the capacitor C8 is grounded. The VS- pin of the MAX232 chip is connected to one end of the capacitor C11, and the other end of the capacitor C11 is grounded. The T1OUT and T2OUT pins of the MAX232 chip are both connected to the ultrasonic transmitter T40.
[0013] Optionally, the gesture recognition sensor includes: LED D1, LED D2, LED D3, LM393 voltage comparator, resistors R20, R21, R22, R23, R24, capacitors C17, C18, phototransistor Q1, and variable resistor VR1, wherein...
[0014] One end of capacitor C17 is grounded, and the other end of capacitor C17 is connected to the positive terminal of LED D1, a fixed terminal of variable resistor VR1, one end of resistor R21, one end of resistor R22, the VCC terminal of LM393 voltage comparator, one end of resistor R23, the positive terminal of LED D2, and the positive terminal of the power supply. The negative terminal of LED D1 is connected to one end of resistor R20, and the other end of resistor R20 is grounded. The sliding terminal of variable resistor VR1 is connected to the input terminal Vi- of LM393 voltage comparator.
[0015] Optionally, the other fixed terminal of the sliding rheostat VR1 is grounded, the other end of resistor R21 is connected to the positive terminal of LED D3, the negative terminal of LED D3 is grounded, the other end of resistor R22 is connected to the input terminal Vi+ of LM393 voltage comparator, the collector of phototransistor Q1, and one end of capacitor C18, respectively, the emitter of phototransistor Q1 and the other end of capacitor C18 are grounded, LED D3 and phototransistor Q1 form an infrared pair, the output terminal of LM393 voltage comparator is connected to the other end of resistor R23, the negative terminal of LED D2 is connected to one end of resistor R24, and the other end of resistor R24 is connected to the output terminal of LM393 voltage comparator.
[0016] Optionally, it also includes:
[0017] The device includes a buzzer module and a button module. The buzzer module is connected to the P0 interface of the Micro:bit microcomputer motherboard, and the button module is connected to the P2 interface of the Micro:bit microcomputer motherboard.
[0018] The embodiments of this application have the following advantages:
[0019] Modular design: The programming project library and teaching resource library can be flexibly adjusted according to the child's age and learning progress to meet the learning needs of children of different ages.
[0020] Highly expandable: Micro:bit motherboards support multiple programming languages and peripheral connections, and can add more functional modules in the future to expand the application scope of the system.
[0021] Highly portable: The entire system is small in size and easy to carry, allowing children to learn programming anytime, anywhere, at home, at school, or outdoors.
[0022] Lowering the barrier to learning programming: The graphical programming interface and abundant teaching resources make learning programming simpler and easier to understand, making it suitable for children aged 6-12.
[0023] Enhance learning interest: By interacting with actual hardware devices, children can learn programming knowledge in practice, which enhances the fun and sense of accomplishment in learning.
[0024] Enhanced safety: All hardware devices employ safe and reliable technologies, such as overload protection and short-circuit protection, and are certified by authoritative testing institutions to ensure children's safety during use.
[0025] Systematic teaching: Providing programming projects and teaching resources of varying difficulty to help children gradually improve their programming skills and cultivate logical thinking and innovation. Attached Figure Description
[0026] To more clearly illustrate the embodiments of this application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0027] Figure 1 A schematic diagram of a gesture recognition sensor circuit for an artificial intelligence course teaching device provided in at least one embodiment of this application;
[0028] Figure 2 A schematic diagram of an ultrasonic sensor circuit for an artificial intelligence course teaching device provided in at least one embodiment of this application;
[0029] Figure 3 A schematic diagram of a soil moisture sensor circuit for an artificial intelligence course teaching device provided in at least one embodiment of this application. Detailed Implementation
[0030] The following specific embodiments illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0031] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0032] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0033] This application provides an artificial intelligence course teaching device, for reference... Figures 1 to 3 ,include:
[0034] Micro:bit microcomputer motherboard, soil moisture sensor, gesture recognition sensor, and ultrasonic sensor, among others.
[0035] The soil moisture sensor is connected to the P1 interface of the Micro:bit microcomputer motherboard.
[0036] The gesture recognition sensor is connected to the P0 or P1 interface of the Micro:bit microcomputer motherboard.
[0037] The ultrasonic sensor is connected to the P0 interface of the Micro:bit microcomputer motherboard.
[0038] In some embodiments, the GND pin of the soil moisture sensor is grounded, the VCC pin is connected to a +5V power supply, and the AUOT pin is connected to the P1 interface of the Micro:bit microcomputer motherboard.
[0039] In some embodiments, the ultrasonic sensor includes: an STC11 chip, a MAX232 chip, a TL074 chip, resistors R2, R3, R5, R6, RC7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, Ra, Rb, capacitors C1, C2, C3, C4, C6, C7, C8, C9, C10, C11, C12, C15, C16, a PNP transistor, an NPN transistor, a quartz crystal oscillator Y1, an ultrasonic transmitter T40, and an ultrasonic receiver R40, wherein...
[0040] The STC11 chip's P50 pin is connected to the trigger pin, its P67 pin to the echo signal output pin, its VDD pin to the +5V power supply and one end of capacitor C2 (the other end of C2 is grounded), its P65 pin to the capacitor C1 and one end of quartz crystal oscillator Y1 (the other end of C1 is grounded), its other end to the quartz crystal oscillator Y1 and one end of capacitor C6 (the other end of C6 is grounded), and its P53 pin to the resistor R. 5. Connect the other end of resistor R5 to the base of the PNP transistor. Connect the emitter of the PNP transistor to a +5V power supply. Connect the P51 pin of the STC11 chip to the T1IN pin of the MAX232 chip. Connect the P52 pin of the STC11 chip to the T2IN pin of the MAX232 chip. Connect the P60 pin of the STC11 chip to one end of resistors R9 and R7, and the collector of the NPN transistor. Connect the other end of resistor R7 to a +5V power supply. Connect the P61 pin of the STC11 chip to one end of resistor R6.
[0041] In some embodiments, the base of the NPN transistor is connected to one end of resistors Ra and Rb, respectively; the other end of resistor Rb is connected to the emitter of the NPN transistor and grounded; the other end of resistor R9 is connected to one end of resistor R10 and the 1IN+ pin of the TL074 chip; the other end of resistor Ra is connected to the 1OUT pin of the TL074 chip; the other end of resistor R6 is connected to one end of resistor R8; the other end of resistor R8 is connected to the 1IN- pin of the TL074 chip; the other end of resistor R10 is connected to the 2IN- pin of the TL074 chip and one end of resistor R12; the other end of resistor R12 is connected to the 2OUT pin of the TL074 chip and one end of capacitor C9; the other end of capacitor C9 is connected to one end of resistor R13; one end of resistor R11 is connected to a +5V power supply and one end of capacitor C16; the other end of capacitor C16 is grounded. The other end of R11 is connected to one end of resistors R8, R16, RC7, and capacitor C7, respectively. The other ends of resistors R16, RC7, and capacitor C7 are all grounded. The 4OUT pin of the TL074 chip is connected to one end of resistors R19 and R18, respectively. The other end of resistor R18 is connected to one end of capacitor C15 and the 4IN- pin of the TL074 chip, respectively. The other end of capacitor C15 is connected to one end of resistor R17, and the other end of resistor R17 is connected to the ultrasonic receiver R40. The 3IN+ pin of the TL074 chip is connected to one end of resistor R15, and the other end of resistor R15 is connected to the other end of resistor R19, one end of capacitors C10 and C12, respectively. The other end of capacitor C10 is connected to the 3IN- pin of the TL074 chip and one end of resistor R14, respectively. The other end of resistor R14 is connected to the 3OUT pin of the TL074 chip, the other end of capacitor C12, and the other end of resistor R13, respectively.
[0042] In some embodiments, the C1+ pin of the MAX232 chip is connected to one end of the capacitor C4, the other end of the capacitor C4 is connected to the C1- pin of the MAX232 chip, the C2+ pin of the MAX232 chip is connected to one end of the capacitor C3, the other end of the capacitor C3 is connected to the C2- pin of the MAX232 chip, the VCC pin of the MAX232 chip is connected to the collector of the PNP transistor, the VS+ pin of the MAX232 chip is connected to the capacitor C8, the other end of the capacitor C8 is grounded, the VS- pin of the MAX232 chip is connected to one end of the capacitor C11, the other end of the capacitor C11 is grounded, and the T1OUT and T2OUT pins of the MAX232 chip are both connected to the ultrasonic transmitter T40.
[0043] In some embodiments, the gesture recognition sensor includes: LED D1, LED D2, LED D3, LM393 voltage comparator, resistors R20, R21, R22, R23, R24, capacitors C17, C18, phototransistor Q1, and variable resistor VR1, wherein...
[0044] One end of capacitor C17 is grounded, and the other end of capacitor C17 is connected to the positive terminal of LED D1, a fixed terminal of variable resistor VR1, one end of resistor R21, one end of resistor R22, the VCC terminal of LM393 voltage comparator, one end of resistor R23, the positive terminal of LED D2, and the positive terminal of the power supply. The negative terminal of LED D1 is connected to one end of resistor R20, and the other end of resistor R20 is grounded. The sliding terminal of variable resistor VR1 is connected to the input terminal Vi- of LM393 voltage comparator.
[0045] In some embodiments, the other fixed terminal of the sliding rheostat VR1 is grounded, the other end of resistor R21 is connected to the positive terminal of LED D3, the negative terminal of LED D3 is grounded, the other end of resistor R22 is connected to the input terminal Vi+ of LM393 voltage comparator, the collector of phototransistor Q1, and one end of capacitor C18, respectively. The emitter of phototransistor Q1 and the other end of capacitor C18 are grounded. LED D3 and phototransistor Q1 form an infrared pair. The output terminal of LM393 voltage comparator is connected to the other end of resistor R23. The negative terminal of LED D2 is connected to one end of resistor R24, and the other end of resistor R24 is connected to the output terminal of LM393 voltage comparator.
[0046] In some embodiments, it also includes:
[0047] The device includes a buzzer module and a button module. The buzzer module is connected to the P0 interface of the Micro:bit microcomputer motherboard, and the button module is connected to the P2 interface of the Micro:bit microcomputer motherboard.
[0048] Specifically, the Micro:bit microcomputer motherboard uses the Micro:bit pocket computer, supports multiple programming languages (such as Python, JavaScript, etc.), and can be connected to various sensors, LED lights and other peripherals to realize rich programming functions.
[0049] Graphical Programming Interface: Utilizing a graphical programming language, children don't need to write complex code; they can complete programming tasks simply by dragging and dropping modules, lowering the learning barrier. The Micro:bit microcomputer motherboard features a programming project library and a teaching resource library. The programming project library provides a series of fun programming projects, such as a smart night light, a compass, an obstacle-avoiding robot, and a meal reminder, allowing children to learn programming knowledge through practice. The teaching resource library includes rich educational resources such as video tutorials and programming guides to help children better understand programming concepts and gradually improve their programming skills. The Micro:bit microcomputer motherboard features a safety protection design: all hardware devices use safe and reliable technologies and have been certified by authoritative testing institutions to ensure children's safety during use.
[0050] Specifically, the micro:bit is a mini microcontroller designed specifically for programming education in teenagers, and can be used for creative projects such as electronic musical instruments, robot control, and wearable device development. The micro:bit is based on an ARM Cortex-M4 processor, features onboard 2.4G wireless networking and Bluetooth 5.0 Low Energy, a MEMS microphone, a speaker, touch-sensitive indicators, and a 5x5 red LED dot matrix, each LED being individually programmable. Two programmable buttons can be used to control game pause and skip songs in the playlist. It also incorporates an IC-based motion sensor that includes an accelerometer and a magnetometer. The accelerometer measures acceleration along three axes, and the magnetometer can be used as a compass or magnetic field detector. Teenagers can easily realize their creative ideas using the micro:bit.
[0051] Working principle:
[0052] Programming Learning Process: Children can easily get started with programming through a graphical programming interface and choose different programming projects to practice. Each project comes with detailed video tutorials and programming guides to help children gradually master programming skills;
[0053] Hardware Interaction: The Micro:bit motherboard can connect to various sensors and peripherals (including soil moisture sensors, gesture recognition sensors, and ultrasonic sensors), allowing children to control these devices through programming, enhancing the fun and practicality of programming.
[0054] Safety Protection: All hardware devices undergo rigorous safety testing to ensure children are not harmed during use. The system also features overload and short-circuit protection, further enhancing safety.
[0055] Note that, unless otherwise explicitly stated, all features disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by alternative features for achieving the same, equivalent, or similar purpose. Therefore, unless explicitly stated otherwise, each disclosed feature is merely one example of a set of equivalent or similar features. Where used, "further," "preferably," "even further," and "more preferably" are simply starting points for describing another embodiment based on the foregoing embodiments, the combination of which with the foregoing embodiments constitutes the complete configuration of another embodiment. Any combination of several "further," "preferably," "even further," or "more preferably" settings following the same embodiment constitutes yet another embodiment.
[0056] In the implementation of functions and steps, the corresponding functions and steps in the various embodiments may occur in a different order than those shown. For example, two consecutive functions and steps may actually be executed or implemented substantially in parallel, and they may sometimes be executed or implemented in reverse order, depending on the functions involved.
[0057] Although this application has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of this application fall within the scope of protection claimed in this application.
Claims
1. An artificial intelligence lesson teaching apparatus, characterized by, include: Micro:bit microcomputer motherboard, soil moisture sensor, gesture recognition sensor, and ultrasonic sensor, among others. The soil moisture sensor is connected to the P1 interface of the Micro:bit microcomputer motherboard. The gesture recognition sensor is connected to the P0 or P1 interface of the Micro:bit microcomputer motherboard. The ultrasonic sensor is connected to the P0 interface of the Micro:bit microcomputer motherboard.
2. The artificial intelligence course teaching equipment according to claim 1, characterized in that, The soil moisture sensor has its GND pin grounded, its VCC pin connected to a +5V power supply, and its AUOT pin connected to the P1 interface of the Micro:bit microcomputer motherboard.
3. The artificial intelligence course teaching equipment according to claim 1, characterized in that, The ultrasonic sensor includes: an STC11 chip, a MAX232 chip, a TL074 chip, resistors R2, R3, R5, R6, RC7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, Ra, Rb, capacitors C1, C2, C3, C4, C6, C7, C8, C9, C10, C11, C12, C15, C16, a PNP transistor, an NPN transistor, a quartz crystal oscillator Y1, an ultrasonic transmitter T40, and an ultrasonic receiver R40. The STC11 chip's P50 pin is connected to the trigger pin, its P67 pin to the echo signal output pin, its VDD pin to the +5V power supply and one end of capacitor C2 (the other end of C2 is grounded), its P65 pin to the capacitor C1 and one end of quartz crystal oscillator Y1 (the other end of C1 is grounded), its other end to the quartz crystal oscillator Y1 and one end of capacitor C6 (the other end of C6 is grounded), and its P53 pin to the resistor R.
5. Connect the other end of resistor R5 to the base of the PNP transistor. Connect the emitter of the PNP transistor to a +5V power supply. Connect the P51 pin of the STC11 chip to the T1IN pin of the MAX232 chip. Connect the P52 pin of the STC11 chip to the T2IN pin of the MAX232 chip. Connect the P60 pin of the STC11 chip to one end of resistors R9 and R7, and the collector of the NPN transistor. Connect the other end of resistor R7 to a +5V power supply. Connect the P61 pin of the STC11 chip to one end of resistor R6.
4. The artificial intelligence course teaching equipment according to claim 3, characterized in that, The base of the NPN transistor is connected to one end of resistors Ra and Rb, respectively. The other end of resistor Rb is connected to the emitter of the NPN transistor and grounded. The other end of resistor R9 is connected to one end of resistor R10 and the 1IN+ pin of the TL074 chip. The other end of resistor Ra is connected to the 1OUT pin of the TL074 chip. The other end of resistor R6 is connected to one end of resistor R8. The other end of resistor R8 is connected to the 1IN- pin of the TL074 chip. The other end of resistor R10 is connected to the 2IN- pin of the TL074 chip and one end of resistor R12. The other end of resistor R12 is connected to the 2OUT pin of the TL074 chip and one end of capacitor C9. The other end of capacitor C9 is connected to one end of resistor R13. One end of resistor R11 is connected to the +5V power supply and one end of capacitor C16. The other end of capacitor C16 is grounded. The other end is connected to one end of resistors R8, R16, RC7, and capacitor C7 respectively. The other ends of resistors R16, RC7, and capacitor C7 are all grounded. The 4OUT pin of the TL074 chip is connected to one end of resistors R19 and R18 respectively. The other end of resistor R18 is connected to one end of capacitor C15 and the 4IN- pin of the TL074 chip respectively. The other end of capacitor C15 is connected to one end of resistor R17. The other end of resistor R17 is connected to ultrasonic receiver R40. The 3IN+ pin of the TL074 chip is connected to one end of resistor R15. The other end of resistor R15 is connected to the other end of resistor R19 and one end of capacitors C10 and C12 respectively. The other end of capacitor C10 is connected to the 3IN- pin of the TL074 chip and one end of resistor R14 respectively. The other end of resistor R14 is connected to the 3OUT pin of the TL074 chip, the other end of capacitor C12, and the other end of resistor R13 respectively.
5. The artificial intelligence course teaching equipment according to claim 4, characterized in that, The C1+ pin of the MAX232 chip is connected to one end of the capacitor C4, and the other end of the capacitor C4 is connected to the C1- pin of the MAX232 chip. The C2+ pin of the MAX232 chip is connected to one end of the capacitor C3, and the other end of the capacitor C3 is connected to the C2- pin of the MAX232 chip. The VCC pin of the MAX232 chip is connected to the collector of the PNP transistor. The VS+ pin of the MAX232 chip is connected to the capacitor C8, and the other end of the capacitor C8 is grounded. The VS- pin of the MAX232 chip is connected to one end of the capacitor C11, and the other end of the capacitor C11 is grounded. The T1OUT and T2OUT pins of the MAX232 chip are both connected to the ultrasonic transmitter T40.
6. The artificial intelligence course teaching equipment according to claim 1, characterized in that, The gesture recognition sensor includes: LEDs D1, D2, and D3; an LM393 voltage comparator; resistors R20, R21, R22, R23, and R24; capacitors C17 and C18; a phototransistor Q1; and a variable resistor VR1. One end of capacitor C17 is grounded, and the other end of capacitor C17 is connected to the positive terminal of LED D1, a fixed terminal of variable resistor VR1, one end of resistor R21, one end of resistor R22, the VCC terminal of LM393 voltage comparator, one end of resistor R23, the positive terminal of LED D2, and the positive terminal of the power supply. The negative terminal of LED D1 is connected to one end of resistor R20, and the other end of resistor R20 is grounded. The sliding terminal of variable resistor VR1 is connected to the input terminal Vi- of LM393 voltage comparator.
7. The artificial intelligence course teaching equipment according to claim 6, characterized in that, The other fixed terminal of the sliding rheostat VR1 is grounded. The other end of resistor R21 is connected to the positive terminal of LED D3, and the negative terminal of LED D3 is grounded. The other end of resistor R22 is connected to the input terminal Vi+ of LM393 voltage comparator, the collector of phototransistor Q1, and one end of capacitor C18. The emitter of phototransistor Q1 and the other end of capacitor C18 are grounded. LED D3 and phototransistor Q1 form an infrared pair. The output terminal of LM393 voltage comparator is connected to the other end of resistor R23. The negative terminal of LED D2 is connected to one end of resistor R24, and the other end of resistor R24 is connected to the output terminal of LM393 voltage comparator. 8.The artificial intelligence course teaching apparatus of claim 1, wherein, Also includes: The device includes a buzzer module and a button module. The buzzer module is connected to the P0 interface of the Micro:bit microcomputer motherboard, and the button module is connected to the P2 interface of the Micro:bit microcomputer motherboard.