Electronic tutorial guitar playing

Июль 26, 2022

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Electronic tutorial guitar playing

Содержание

2. Self-teachers of the last century Classic version of the paper self-instruction manual. Disadvantages: inconvenience, lack of
3. Prototype of foreign developers «FletX»
4. Disadvantages: Low learning effectiveness A large amount of time wasted Lack of autonomy Lack of visibility
5. Criteria for our device Cheapness Simplicity of construction Ease of use Autonomy Large base of musical
6. Block diagram of the device To operate the device we need: -Control element that corrects the
7. ELEMENTS USED: Controller As the control element, I choose the Arduino Uno controller The controller is
8. LCD 1602 I2C Liquid Crystal Display (LCD) 1602 I2C. We use it as a visual input-output
9. Button To control the microcontroller I use the buttons. I chose them because of their ease
10. Port extender PCF8574P We use to connect devices to the microcontroller using the I2C protocol I
11. Chip-LEDs We use to output the light indication These LEDs have a small size, which will
12. Electrical circuit To model the project, the Proteus program was chosen. We use it for convenience
13. Block diagram of the program
15. Скачать презентацию

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Self-teachers of the last century
Classic version of the paper self-instruction manual.
Disadvantages:

inconvenience, lack of clarity of presentation, a small information base, small naglandnost

Online-Instructor Get Instinct
Disadvantages: the need for a computer or laptop, lack of autonomy, low visibility

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Prototype of foreign developers «FletX»

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Disadvantages:
Low learning effectiveness
A large amount of time wasted
Lack of autonomy
Lack of

visibility
Small range of songs
High price
Foreign production

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Criteria for our device
Cheapness
Simplicity of construction
Ease of use
Autonomy
Large base of musical

compositions
Domestic production

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Block diagram of the device
To operate the device we need:
-Control

element that corrects the operation of devices. Such an element acts as a controller.
-To control the device are 4 buttons
-To display information, the names of the songs and the chords used, a display is used which, to reduce the number of pins used, is connected to the microcontroller through the port expander.
-The sequence of reproduced chords is output through an LED matrix, also connected via a port expander

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ELEMENTS USED: Controller
As the control element, I choose the Arduino

Uno controller
The controller is needed to manage all the functionality of the device.
Ideal for our project, as well as the number of ports controller.
Microcontroller:
ATmega328
Operating voltage
5 V
Input voltage (recommended)
7-12 V
Input voltage (limiting)
6-20 V
Digital Inputs / Outputs
14 (6 of which can be used as PWM outputs)
Analog inputs
6th

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LCD 1602 I2C
Liquid Crystal Display (LCD) 1602 I2C.
We use it as

a visual input-output of information.
I chose this model because of its low cost and high reliability
Also this display is chosen because of the convenience of working with Arduino, since it has ready-made libraries.
Supply voltage 5 V;
Display type character with the ability to load characters;
Display format 16 × 2 characters;

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Button
To control the microcontroller I use the buttons.
I chose them

because of their ease of use, cheapness and reliability

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Port extender PCF8574P
We use to connect devices to the microcontroller using

the I2C protocol
I chose this model because of its low cost and high reliability
This display is also chosen because of the convenience of working with Arduino, as there are ready-made libraries.

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Chip-LEDs
We use to output the light indication
These LEDs have a small

size, which will not create difficulties in training
I chose this model because of its low cost and high reliability

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Electrical circuit
To model the project, the Proteus program was chosen.
We use

it for convenience and to understand if the pattern will work correctly when we sew the model. The figure shows the display, where information is displayed, about the selected song.
When you press the buttons on the ports A0, A1, A2, you can switch to the selection of other songs

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