CN109300337A - LED pattern generator - Google Patents
LED pattern generator Download PDFInfo
- Publication number
- CN109300337A CN109300337A CN201811356679.2A CN201811356679A CN109300337A CN 109300337 A CN109300337 A CN 109300337A CN 201811356679 A CN201811356679 A CN 201811356679A CN 109300337 A CN109300337 A CN 109300337A
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- Prior art keywords
- shift register
- pins
- pin
- chip
- minimum system
- Prior art date
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- 239000011159 matrix material Substances 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED pattern generators, including power supply terminal, IR remote controller, integrated infrared receiving terminal, single-chip minimum system, shift register, LED dot matrix, LED dot matrix is fixed on the wall by plank, power supply terminal, integrated infrared receiving terminal, single-chip minimum system, shift register are welded on one piece of circuit board top, circuit board is fixed on the lower section of plank on wall, and power supply terminal provides electric energy.It is the configuration of the present invention is simple, easy to use, it is convenient to the teaching to child, increases the learning interest of child, reliable performance, cheap.
Description
Technical field
The invention belongs to teaching aid fields, are related to a kind of LED pattern generator.
Background technique
IR remote controller is to pass to key information using an infrared light-emitting diode as carrier using infrared light and connect
The equipment of receiving end.Infrared light is sightless for human eye, therefore will not influence the vision of people using IR remote controller.It is infrared distant
Control device generally uses 38KHz frequency.IR remote controller is by infrared receiver and transmit circuit, signal conditioning circuit, controller
And data storage, keyboard and condition indication circuit composition.
Infrared receiver it is more commonly used be 1838 integrated infrared receiving terminals, infrared receiving circuit is integrated in one by producer
In element, internal circuit includes infrared monitoring diode, amplifier, limiter, bandpass filter, integrating circuit, comparator etc..
After infrared monitoring diode monitor to infrared signal, signal is sent to amplifier and limiter, limiter controls impulse amplitude
In certain level, regardless of the distance of infrared transmitter and receiver distance.AC signal enters bandpass filter, band logical filter
Wave device can enter comparator, comparator output by demodulator circuit and integrating circuit by the negative carrier of 30KHz to 60KHz
Low and high level restores the signal waveform of transmitting terminal.1838 integrated infrared receiving terminals have 3 pins, including power supply foot, ground connection
With signal output pin.
74HC595 is the shift register of a 8 Bits Serials input, parallel output, and parallel output is ternary output.Output
Register can be removed directly, the transposition frequency with 100MHz.The shift register has 16 pins.
One chip microcomputer abbreviation single-chip microcontroller is typical embedded microcontroller (Microcontroller
Unit), the abbreviation MCU for commonly using English alphabet indicates single-chip microcontroller, it is employed in industrial control field earliest.Single-chip microcontroller seeps at present
The every field for arriving our lives thoroughly, is almost difficult to find which field does not have the trace of single-chip microcontroller.Single-chip microcontroller is transported by program
Capable, and can modify.Those skilled in the art can be realized different without creative work by different programs
Function, by program, the control LED light that can be convenient with single-chip microcontroller, charactron light the revolving speed with motor, it may be convenient to
It generates various random digits and carries out operation.The high intelligence of product, high efficiency and high reliability may be implemented by program.
Summary of the invention
It is an object of the invention to design a kind of simple structure, easy to use, reliable performance, cheap LED figure
Generator generates a variety of geometric figures by remote control mode, is convenient to the teaching to child.
To achieve the above object, the present invention adopts the following technical scheme:
LED pattern generator, including power supply terminal, IR remote controller, integrated infrared receiving terminal, single-chip minimum system, shifting
Bit register, LED dot matrix, LED dot matrix is fixed on the wall by plank, and power supply terminal, integrated infrared receiving terminal, single-chip microcontroller are most
Mini system, shift register are welded on one piece of circuit board top, and circuit board is fixed on the lower section of plank on wall, and power supply terminal provides
Electric energy；
The single-chip minimum system includes single-chip microcontroller, P0 mouthfuls of pull-up resistors, clock circuit and reset circuit, and single-chip microcontroller is minimum
The single-chip microcontroller of system has 40 pins；
The power supply terminal exports 5 volts of DC power supplies, and anode connects 40 pins of single-chip microcontroller in single-chip minimum system, and cathode connects
20 pins of single-chip microcontroller in single-chip minimum system；
The shift register includes the first shift register and the second shift register, and the first shift register and second move
Bit register is all 74HC595 chip, and the first shift register and the second shift register have 16 pins, the first displacement respectively
8th pin of register and the second shift register, which is connected, accesses the cathode of power supply terminal, and the first shift register and second moves
16th pin of bit register, which is connected, accesses the anode of power supply terminal, and the 14 pins access single-chip microcontroller of the second shift register is minimum
1 pin of single-chip microcontroller in system, 9 pins of the second shift register access 14 pins of the first shift register, the first displacement
11st pin of register and the second shift register, which is connected, accesses 2 pins of single-chip microcontroller in single-chip minimum system, and first moves
12nd pin of bit register and the second shift register, which is connected, accesses 3 pins of single-chip microcontroller in single-chip minimum system, and first
13rd pin of shift register and the second shift register, which is connected, accesses 4 pins of single-chip microcontroller in single-chip minimum system, the
10th pin of one shift register and the second shift register, which is connected, accesses the anode of power supply terminal；
The LED dot matrix has 64 LED light, each LED light has positive and negative two pins, arranges on one piece of plank by 8 rows 8
64 LED light are arranged, each LED light is installed and needs to bore 2 holes on plank, positive and negative two pins of each LED light are worn
Line is carried out after crossing the two holes, the anode of the every a line LED light of 8 row LED light is linked together and is respectively connected to conducting wire respectively
The cathode of 15,1,2,3,4,5,6,7 pins of the first shift register, each column LED light of 8 column LED light is connected with conducting wire respectively
15,1,2,3,4,5,6,7 pins of the second shift register are respectively connected to after the resistance of one one kilo-ohm of concatenation together；
The integrated infrared receiving terminal has 3 pins, and pin 3 connects the anode of power supply terminal, and 2 power supply terminal of pin is born
Pole, pin 1, which is connected, connects 12 pins of single-chip microcontroller in single-chip minimum system after one one kilo-ohm of resistance.
The IR remote controller has 21 keys.
Usefulness of the present invention is: 1, structure is simple: LED dot matrix (6) is mounted on the wall in child classroom by plank
On；2, easy to use: it can produce 21 kinds of geometric figures by 21 commercially available key and infrared remote control devices, be convenient to the teaching to child,
Increase the learning interest of child；3, reliable performance；4, cheap.
Detailed description of the invention
Fig. 1 is LED pattern generator structural schematic diagram of the present invention；
Fig. 2 is LED pattern generator control system circuit figure of the present invention；
Fig. 3 is LED pattern generator shift-register circuit figure of the present invention；
Fig. 4 is LED pattern generator LED dot matrix circuit diagram of the present invention.
Specific embodiment
A specific embodiment of the invention is illustrated with reference to the accompanying drawing.
Referring to Fig. 1, including power supply terminal 1, IR remote controller 2, integrated infrared receiving terminal 3, single-chip minimum system 4,
Shift register 5, LED dot matrix 6, LED dot matrix 6 is fixed on the wall by plank, power supply terminal 1, integrated infrared receiving terminal 3,
Single-chip minimum system 4, shift register 5 are welded on one piece of circuit board top, and circuit board is fixed on the lower section of plank on wall, electricity
Source terminal 1 provides electric energy；
Referring to fig. 2, the single-chip minimum system 4 includes single-chip microcontroller, P0 mouthfuls of pull-up resistors, clock circuit and reset circuit,
The single-chip microcontroller of single-chip minimum system 4 has 40 pins；The power supply terminal 1 exports 5 volts of DC power supplies, anode order piece
40 pins of single-chip microcontroller in machine minimum system 4, cathode connect 20 pins of single-chip microcontroller in single-chip minimum system 4；The one
Changing infrared receiving terminal 3 has 3 pins, and pin 3 connects the anode of power supply terminal 1, the cathode of 2 power supply terminal 1 of pin, and pin 1 is gone here and there
12 pins of single-chip microcontroller in single-chip minimum system 4 are connected after the resistance of one one kilo-ohm of connection；
Referring to Fig. 3, the shift register 5 includes the first shift register 5-1 and the second shift register 5-2, and first moves
Bit register 5-1 and the second shift register 5-2 is 74HC595 chip, the first shift register 5-1 and the second shift LD
Device 5-2 has 16 pins, the connected access power supply of the 8th pin of the first shift register 5-1 and the second shift register 5-2 respectively
The cathode of terminal 1, the 16th pin, which is connected, accesses the anode of power supply terminal 1, and 14 pins of the second shift register 5-2 access monolithic
1 pin of single-chip microcontroller in machine minimum system 4,9 pins of the second shift register 5-2 access the 14 of the first shift register 5-1
The 11st pin of pin, the first shift register 5-1 and the second shift register 5-2 are connected in access single-chip minimum system 4
The 12nd pin of 2 pins of single-chip microcontroller, the first shift register 5-1 and the second shift register 5-2 are connected access single-chip microcontroller most
The 13rd pin of 3 pins of single-chip microcontroller in mini system 4, the first shift register 5-1 and the second shift register 5-2, which are connected, to be accessed
4 pins of single-chip microcontroller in single-chip minimum system 4, the 10th pin of the first shift register 5-1 and the second shift register 5-2
It is connected and accesses the anode of power supply terminal 1；
Referring to fig. 4, the LED dot matrix 6 has 64 LED light, each LED light has positive and negative two pins, on one piece of plank
By 8 rows 8 arrange arrangement 64 LED light, install each LED light need on plank bore 2 holes, positive and negative the two of each LED light
A pin carries out line after passing through the two holes, and the anode of the every a line LED light of 8 row LED light is linked together simultaneously with conducting wire respectively
It is respectively connected to 15,1,2,3,4,5,6,7 pins of the first shift register 5-1, the cathode difference of each column LED light of 8 column LED light
With conducting wire link together 15 that the second shift register 5-2 is respectively connected to after one one kilo-ohm of resistance of concatenation, 1,2,3,4,
5,6,7 pin.
The IR remote controller 2 has 21 keys.
The present invention first punches on plank or other plates, and LED dot matrix 6 is fixed on plank, is then fixed on plank
On wall, 21 key and infrared remote control devices 2, integrated infrared receiving terminal 3 are commercial products, matched single-chip minimum system 4
In single-chip microcontroller inside in advance storage 21 kinds of graph datas, press the different key of IR remote controller 2, integrated infrared receiving terminal
3 signals that receive are also different, after single-chip minimum system 4 detects signal, pass through shift register 5 and control LED dot matrix 6 and produce
Raw different geometric figure.LED dot matrix 6 is mounted on the wall in child classroom by plank, can produce 21 by remote control mode
Kind geometric figure, is convenient to the teaching to child, increases the learning interest of child.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms, such as increases again
Add 2 pieces of 74HC595 shift register chips, the LED dot matrix of 16 rows 16 column can be realized.
Claims (2)
1.LED pattern generator, it is characterised in that: including power supply terminal (1), IR remote controller (2), integrated infrared receiving terminal
(3), single-chip minimum system (4), shift register (5), LED dot matrix (6), LED dot matrix (6) is fixed on the wall by plank,
Power supply terminal (1), integrated infrared receiving terminal (3), single-chip minimum system (4), shift register (5) are welded on one piece of circuit
Above plate, circuit board is fixed on the lower section of plank on wall, and power supply terminal (1) provides electric energy；
The single-chip minimum system (4) includes single-chip microcontroller, P0 mouthfuls of pull-up resistors, clock circuit and reset circuit, single-chip microcontroller
The single-chip microcontroller of minimum system (4) has 40 pins；
The power supply terminal (1) exports 5 volts of DC power supplies, and anode connects 40 pipes of single-chip microcontroller in single-chip minimum system (4)
Foot, cathode connect 20 pins of single-chip microcontroller in single-chip minimum system (4)；
The integrated infrared receiving terminal (3) has 3 pins, and pin 3 connects the anode of power supply terminal (1), 2 power end of pin
The cathode of sub (1), pin 1, which is connected, connects 12 pins of single-chip microcontroller in single-chip minimum system (4) after one one kilo-ohm of resistance；
The shift register (5) includes the first shift register (5-1) and the second shift register (5-2), the first displacement
Register (5-1) and the second shift register (5-2) are all 74HC595 chip, the first shift register (5-1) and the second displacement
Register (5-2) has 16 pins, the 8th pin phase of the first shift register (5-1) and the second shift register (5-2) respectively
The cathode into power supply terminal (1) is connected, the 16th pin, which is connected, accesses the anode of power supply terminal (1), the second shift register (5-2)
14 pins access single-chip minimum system (4) in single-chip microcontroller 1 pin, the 9 pins access the of the second shift register (5-2)
14 pins of one shift register (5-1), the 11st pin of the first shift register (5-1) and the second shift register (5-2)
It is connected and accesses 2 pins of single-chip microcontroller in single-chip minimum system (4), the first shift register (5-1) and the second shift register
12nd pin of (5-2) is connected 3 pins of single-chip microcontroller in access single-chip minimum system (4), the first shift register (5-1) and
13rd pin of the second shift register (5-2), which is connected, accesses 4 pins of single-chip microcontroller in single-chip minimum system (4), and first moves
Bit register (5-1) is connected with the 10th pin of the second shift register (5-2) accesses the anode of power supply terminal (1)；
The LED dot matrix (6) has 64 LED light, each LED light has positive and negative two pins, and 8 rows 8 are pressed on one piece of plank
Column 64 LED light of arrangement install each LED light and need to bore 2 holes, positive and negative two pins of each LED light on plank
Line is carried out behind the two holes, the anode of the every a line LED light of 8 row LED light is linked together with conducting wire respectively and connect respectively
Enter 15,1,2,3,4,5,6,7 pins of the first shift register (5-1), the cathode of each column LED light of 8 column LED light is respectively with leading
Line link together 15 that the second shift register (5-2) is respectively connected to after one one kilo-ohm of resistance of concatenation, 1,2,3,4,5,
6,7 pin.
2. LED pattern generator as described in claim 1, it is characterised in that: the IR remote controller (2) has 21 and presses
Key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356679.2A CN109300337A (en) | 2018-11-15 | 2018-11-15 | LED pattern generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356679.2A CN109300337A (en) | 2018-11-15 | 2018-11-15 | LED pattern generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109300337A true CN109300337A (en) | 2019-02-01 |
Family
ID=65143060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811356679.2A Pending CN109300337A (en) | 2018-11-15 | 2018-11-15 | LED pattern generator |
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| Country | Link |
|---|---|
| CN (1) | CN109300337A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999031560A2 (en) * | 1997-12-17 | 1999-06-24 | Color Kinetics Incorporated | Digitally controlled illumination methods and systems |
| CN101958084A (en) * | 2010-06-30 | 2011-01-26 | 南京邮电大学 | Miniature intelligent infrared remote control LED character display screen and character display method thereof |
| CN204155589U (en) * | 2014-10-22 | 2015-02-11 | 金陵科技学院 | A kind of simple and easy 16 row 32 row lattice display screen controllers |
| CN206863826U (en) * | 2017-06-12 | 2018-01-09 | 华能太仓发电有限责任公司 | One kind match Special time marker |
| CN209199509U (en) * | 2018-11-15 | 2019-08-02 | 赤峰学院 | Remote control type electronics several drawing board |
-
2018
- 2018-11-15 CN CN201811356679.2A patent/CN109300337A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999031560A2 (en) * | 1997-12-17 | 1999-06-24 | Color Kinetics Incorporated | Digitally controlled illumination methods and systems |
| CN101958084A (en) * | 2010-06-30 | 2011-01-26 | 南京邮电大学 | Miniature intelligent infrared remote control LED character display screen and character display method thereof |
| CN204155589U (en) * | 2014-10-22 | 2015-02-11 | 金陵科技学院 | A kind of simple and easy 16 row 32 row lattice display screen controllers |
| CN206863826U (en) * | 2017-06-12 | 2018-01-09 | 华能太仓发电有限责任公司 | One kind match Special time marker |
| CN209199509U (en) * | 2018-11-15 | 2019-08-02 | 赤峰学院 | Remote control type electronics several drawing board |
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Application publication date: 20190201 |