CN214152122U - Software programming application learning system - Google Patents

Software programming application learning system Download PDF

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Publication number
CN214152122U
CN214152122U CN202120055151.2U CN202120055151U CN214152122U CN 214152122 U CN214152122 U CN 214152122U CN 202120055151 U CN202120055151 U CN 202120055151U CN 214152122 U CN214152122 U CN 214152122U
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power supply
grounded
unit
infrared
acquisition unit
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匡文明
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Changzhou Stem Education Technology Co ltd
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Changzhou Stem Education Technology Co ltd
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Abstract

The utility model discloses a software programming application learning system, which comprises a programming main control unit, a touch screen starting circuit, a triaxial magnetic field unit, an atmospheric pressure acquisition unit, a photosensitive acquisition unit, a loudspeaker, an infrared transmitting and receiving unit, a Bluetooth connector and a power supply unit; the power supply unit is connected with the programming main control unit, the touch screen starting circuit, the triaxial magnetic field unit, the atmospheric pressure acquisition unit and the photosensitive acquisition unit are respectively connected with the input end of the programming main control unit through infrared receiving, and the output end of the programming main control unit is respectively connected with the loudspeaker and infrared transmitting. Can be used as an exercise tool for programming learning, and can be used for a learner to check whether a program can normally run or not by realizing various functions.

Description

Software programming application learning system
Technical Field
The utility model relates to a software programming application learning system.
Background
When the primary and secondary school students learn the software programming application, the programmed software needs to be tested, so that a simulation system is needed to practice the software for checking the programming.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a software programming application learning system.
The utility model adopts the following technical scheme:
an electronic software programming application learning system comprises a programming main control unit, a touch screen starting circuit, a three-axis magnetic field unit, an atmospheric pressure acquisition unit, a photosensitive acquisition unit, a loudspeaker, an infrared transmitting and receiving unit, a Bluetooth connector and a power supply unit;
wherein the power supply unit is connected with the programming main control unit;
the touch screen starting circuit, the triaxial magnetic field unit, the atmospheric pressure acquisition unit and the photosensitive acquisition unit are respectively connected with the input end of the programming main control unit;
the output end of the programming main control unit is respectively connected with a loudspeaker and an infrared emission device;
the power supply unit comprises a 5V stabilized power supply and a 3.3V stabilized power supply;
preferably, the 5V stabilized voltage power supply adopts an LM7805 stabilized voltage chip;
three terminals of the LM7805 voltage stabilizing chip are grounded through capacitors C1, directly grounded and grounded through a capacitor C2;
C3=0.33uf,C4=0.1uf;
LM7805 is an integrated three-terminal voltage-stabilizing chip and can stabilize an output power supply;
wherein a 3.3V direct-current stabilized power supply adopts an AMS1117 stabilized chip as d;
three terminals of the AMS1117 voltage stabilizing chip are respectively and directly grounded, grounded through a capacitor C6 and grounded through a capacitor C5;
C5=10uf,C6=22uf;
preferably, an infrared emitting and receiving head of the infrared receiving and sending unit adopts an infrared integrated geminate transistor, a receiving end of the infrared integrated geminate transistor is connected with a collector of a triode Q2 through a resistor R29, a base of the triode Q2 and the receiving end of the infrared integrated geminate transistor are grounded through a resistor R28, an emitting end of the infrared integrated geminate transistor is connected with a collector of a triode Q1 through a resistor R27, a collector of the triode Q1 is grounded, and a base of the triode Q1 is connected with the single chip microcomputer through a resistor R26;
preferably, the touch control chip is selected as an XPT2046 touch screen starting circuit, and an SPI interface is adopted to be connected with the STM32F103VET 6;
pins 1 and 10 of the touch control chip XPT2046 are respectively connected with a 3.3V high level, and are grounded through capacitors C9 and C10, and pin 6 is grounded;
C9=C10=0.1uf;
preferably, the three-axis magnetic field unit comprises an excitation circuit, a three-axis magnetic field sensor, an induction circuit and a power supply circuit, wherein the main control chip generates a square wave signal with a frequency of 4ef (ef is the excitation frequency), and the square wave signal and the excitation circuit perform secondary frequency division to respectively generate a reference signal with a frequency of 2ef and an excitation signal with a frequency of ef. The excitation signal passes through a power amplification circuit, and drives an excitation coil to generate an alternating excitation magnetic field. And the permeability periodically reaches a saturation state under the change of the excitation magnetic field. Meanwhile, an induction signal corresponding to the magnetic field to be measured appears in the induction coil of the sensor. The induction signal is subjected to frequency-selective amplification, phase-sensitive detection, integration, smooth filtering and the like through an induction circuit, and finally the voltage value of the induction signal is obtained;
preferably, the atmospheric pressure acquisition unit comprises a BMP085 atmospheric pressure sensor, wherein a 4 pin of the BMP085 atmospheric pressure sensor is connected with a +3.3V power supply, a 6 pin and a 7 pin of the BMP085 atmospheric pressure sensor are respectively connected with the +3.3V power supply through two 10K resistors, and a 1 pin of the BMP085 atmospheric pressure sensor is grounded.
Preferably, the photosensitive acquisition unit comprises a CCD drive circuit, a linear array module and a signal processing circuit;
the CCD driving circuit, the linear array module and the signal processing circuit are sequentially connected;
the optical signal irradiates to the CCD detection surface after passing through the light splitting system, the STM32 main processor generates a driving signal to drive the linear array CCD to work, the voltage value converted by the CCD is sent to the rear end signal processing circuit and then sent to the main processor, and the output voltage value of the CCD is converted into a digital signal by the ADC in the chip.
And the four paths of full-color lamp outputs are also included, namely 4 paths of PWM outputs are output by using 4 paths of PWM of an internal timer of STM32, and the color lamps are enabled to flicker.
The utility model discloses can be used as programming learning's exercise instrument, can be after the learner programming the utility model discloses on realize multiple functions to whether the inspection procedure can normal operating.
Description of the drawings:
FIG. 1 is a schematic wiring diagram of the present invention;
FIG. 2 is a schematic wiring diagram of the 5v regulated power supply portion of the power module of the present invention;
FIG. 3 is a schematic wiring diagram of the 3.3v regulated power supply portion of the power module of the present invention;
fig. 4 is a schematic wiring diagram of a touch screen power-on portion of the present invention;
FIG. 5 is a schematic wiring diagram of the three-axis magnetic field unit of the present invention;
FIG. 6 is a schematic wiring diagram of the atmospheric pressure collecting unit of the present invention;
fig. 7 is a system block diagram of the photosensitive acquisition unit of the present invention;
FIG. 8 is a schematic wiring diagram of the IR transmitting/receiving unit of the present invention;
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
referring to the accompanying drawings 1 to 8, an electronic software programming application learning system comprises a programming main control unit, a touch screen starting circuit, a three-axis magnetic field unit, an atmospheric pressure acquisition unit, a photosensitive acquisition unit, a loudspeaker, an infrared transmitting and receiving unit, a Bluetooth connector and a power supply unit;
the power supply unit is connected with the programming main control unit;
the touch screen starting circuit, the triaxial magnetic field unit, the atmospheric pressure acquisition unit and the photosensitive acquisition unit are respectively connected with the input end of the programming main control unit;
the output end of the programming main control unit is respectively connected with the loudspeaker, the infrared emission unit and the sound-light alarm unit;
the power supply unit comprises a 5V stabilized power supply and a 3.3V stabilized power supply;
the 5V voltage-stabilized power supply adopts an LM7805 voltage-stabilized chip;
three terminals of the LM7805 voltage stabilizing chip are grounded through capacitors C1, directly grounded and grounded through a capacitor C2;
C3=0.33uf,C4=0.1uf;
LM7805 is an integrated three-terminal voltage-stabilizing chip and can stabilize an output power supply;
wherein a 3.3V direct-current stabilized power supply adopts an AMS1117 stabilized chip as d;
three terminals of the AMS1117 voltage stabilizing chip are respectively and directly grounded, grounded through a capacitor C6 and grounded through a capacitor C5;
C5=10uf,C6=22uf;
the infrared transmitting and receiving head of the infrared receiving and transmitting unit adopts an infrared integrated geminate transistor, the receiving end of the infrared integrated geminate transistor is connected with the collector of a triode Q2 through a resistor R29, the base of the triode Q2 is grounded with the receiving end of the infrared integrated geminate transistor through a resistor R28, the transmitting end of the infrared integrated geminate transistor is connected with the collector of a triode Q1 through a resistor R27, the collector of the triode Q1 is grounded, and the base of the triode Q1 is connected with the single chip microcomputer through a resistor R26;
the touch screen starting circuit selects a touch control chip as XPT2046 and adopts an SPI interface to connect with an STM32F103VET 6;
pins 1 and 10 of the touch control chip XPT2046 are respectively connected with a 3.3V high level, and are grounded through capacitors C9 and C10, and pin 6 is grounded;
C9=C10=0.1uf;
the three-axis magnetic field unit comprises an excitation circuit, a three-axis magnetic field sensor, an induction circuit and a power supply circuit, wherein a main control chip generates a square wave signal with the frequency of 4ef (ef is the excitation frequency), and a reference signal with the frequency of 2ef and an excitation signal with the frequency of ef are respectively generated through secondary frequency division of the excitation circuit. The excitation signal passes through a power amplification circuit, and drives an excitation coil to generate an alternating excitation magnetic field. And the permeability periodically reaches a saturation state under the change of the excitation magnetic field. Meanwhile, an induction signal corresponding to the magnetic field to be measured appears in the induction coil of the sensor. The induction signal is subjected to frequency-selective amplification, phase-sensitive detection, integration, smooth filtering and the like through an induction circuit, and finally the voltage value of the induction signal is obtained;
the atmospheric pressure acquisition unit comprises a BMP085 atmospheric pressure sensor, wherein a 4 pin of the BMP085 atmospheric pressure sensor is connected with a +3.3V power supply, a 6 pin and a 7 pin of the BMP085 atmospheric pressure sensor are respectively connected with the +3.3V power supply through two 10K resistors, and a 1 pin of the BMP085 atmospheric pressure sensor is grounded.
The photosensitive acquisition unit comprises a CCD drive circuit, a linear array module and a signal processing circuit;
the CCD driving circuit, the linear array module and the signal processing circuit are sequentially connected;
the optical signal irradiates to the CCD detection surface after passing through the light splitting system, the STM32 main processor generates a driving signal to drive the linear array CCD to work, the voltage value converted by the CCD is sent to the rear end signal processing circuit and then sent to the main processor, and the output voltage value of the CCD is converted into a digital signal by the ADC in the chip.
And (4) four-path full-color lamp output, namely 4 paths of PWM output of an STM32 internal timer are utilized to output 4 paths of PWM output, and the 4 paths of PWM output are used for flashing colored lamps.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A software programming application learning system is characterized by comprising a programming main control unit, a touch screen starting circuit, a three-axis magnetic field unit, an atmospheric pressure acquisition unit, a photosensitive acquisition unit, a loudspeaker, an infrared transmitting and receiving unit, a Bluetooth connector and a power supply unit;
wherein the power supply unit is connected with the programming main control unit;
the touch screen starting circuit, the triaxial magnetic field unit, the atmospheric pressure acquisition unit, the photosensitive acquisition unit and the infrared receiver are respectively connected with the input end of the programming main control unit;
the output end of the programming main control unit is respectively connected with the loudspeaker and the infrared emission.
2. The system of claim 1, wherein the power supply unit comprises regulated 5V power supply and regulated 3.3V power supply;
the 5V voltage-stabilized power supply adopts an LM7805 voltage-stabilized chip;
three terminals of the LM7805 voltage stabilizing chip are grounded through capacitors C1, directly grounded and grounded through a capacitor C2;
C3=0.33uf,C4=0.1uf ;
LM7805 is an integrated three-terminal voltage-stabilizing chip and can stabilize an output power supply;
wherein a 3.3V direct-current stabilized power supply adopts an AMS1117 stabilized chip as d;
three terminals of the AMS1117 voltage stabilizing chip are respectively and directly grounded, grounded through a capacitor C6 and grounded through a capacitor C5;
C5=10uf,C6=22uf 。
3. the software programming application learning system of claim 1, wherein infrared emitting and receiving heads of the infrared receiving and transmitting units are infrared integrated geminate transistors, receiving ends of the infrared integrated geminate transistors are connected with a collector of a triode Q2 through a resistor R29, bases of the triode Q2 and the receiving ends of the infrared integrated geminate transistors are grounded through a resistor R28, emitting ends of the infrared integrated geminate transistors are connected with a collector of a triode Q1 through a resistor R27, collectors of the triode Q1 are grounded, and bases of the triode Q1 are connected with the single chip microcomputer through a resistor R26.
4. The software programming application learning system of claim 1, wherein the touch screen boot circuit selects a touch control chip as XPT2046 and is connected to STM32F103VET6 by an SPI interface;
pins 1 and 10 of the touch control chip XPT2046 are respectively connected with a 3.3V high level, and are grounded through capacitors C9 and C10, and pin 6 is grounded;
C9=C10=0.1uf 。
5. the system according to claim 1, wherein the atmospheric pressure acquisition unit comprises a BMP085 atmospheric pressure sensor, the BMP085 atmospheric pressure sensor has a 4-pin connected to the +3.3V power supply, a 6-pin and a 7-pin connected to the +3.3V power supply through two 10K resistors, and a 1-pin grounded.
6. The software programming application learning system of claim 1, wherein the photosensitive acquisition unit comprises a CCD driving circuit, a linear array module, a signal processing circuit;
the CCD driving circuit, the linear array module and the signal processing circuit are sequentially connected.
7. The system according to claim 1, wherein the three-axis magnetic field unit comprises an excitation module, a three-axis magnetic field sensor, an induction module, and a power module, the power module is connected to the excitation module and the induction module, and the three-axis magnetic field sensor is connected to the excitation module and the induction module.
CN202120055151.2U 2021-01-11 2021-01-11 Software programming application learning system Active CN214152122U (en)

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CN202120055151.2U CN214152122U (en) 2021-01-11 2021-01-11 Software programming application learning system

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CN202120055151.2U CN214152122U (en) 2021-01-11 2021-01-11 Software programming application learning system

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CN214152122U true CN214152122U (en) 2021-09-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114995891A (en) * 2022-05-31 2022-09-02 维沃移动通信有限公司 Non-contact starting method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114995891A (en) * 2022-05-31 2022-09-02 维沃移动通信有限公司 Non-contact starting method and device

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