CN106409274A - Single-chip microcomputer program based small sized mouse shaped sound-making musical instrument - Google Patents

Abstract

The invention discloses a small mouse-shaped musical instrument based on a single-chip microcomputer program, which is composed of a mouse-shaped shell, a single-chip microcomputer, a battery, a socket, a note button and a pitch button. There is a card slot to fix the position of the microcontroller, and it is equipped with a battery, which can be charged through an external socket. There are seven double-row note buttons designed on the mouse-shaped shell, which correspond to the pronunciation of the seven notes of music 1, 2, 3, 4, 5, 6, and 7; there are three buttons on the side of the mouse-shaped shell. A pitch button to control the pronunciation of high, medium and low. When the note button and the pitch button are pressed, the input port is pulled down, the microcontroller uses the internal clock to generate a square wave of the corresponding frequency, and drives the speaker through an external circuit to emit a sound of the corresponding frequency. The invention breaks through the bulky and expensive characteristics of the traditional musical instrument, realizes the purpose of playing on a small carrier, and greatly reduces the cost.

Description

A Small Mouse-like Sounding Instrument Based on Single-chip Microcomputer Program

technical field

The invention relates to a sounding musical instrument, in particular to a small carrier sounding musical instrument based on a single-chip microcomputer program.

Background technique

Musical instruments have greatly enriched human's spare time life, but currently the musical instruments on the market are generally expensive, and some musical instruments are relatively bulky and difficult to operate, so the real popularization is relatively limited. In order to overcome the above shortcomings, this single-chip microcomputer-based technology is designed to make sound on a small mouse-like carrier, which greatly reduces the cost. The mouse-like carrier makes it extremely simple to operate; in addition, by programming the single-chip microcomputer , can realize different timbres to form different sounding musical instruments, and has broad application prospects.

The Chinese patent discloses a "music box" design based on the AT89S52 single-chip microcomputer, which uses independent keys to realize various control conversions of the system. But this kind of invention is only suitable for switching between existing systems, and no one has to operate subjectively and actively to achieve the sound he wants.

Therefore, such a mouse-like musical instrument based on a single-chip microcomputer application that is simple, easy to operate and low in cost is desired, and has not been achieved so far.

Contents of the invention

The purpose of the present invention is in order to overcome above shortcoming, has invented a kind of small-sized mouse-shaped musical instrument based on single-chip microcomputer program to carry out performance function, and this invention provides a kind of musical instrument that is easy to carry, low in cost, rich in function.

To achieve the above purpose can be achieved through the following technical solutions:

A small mouse-like sounding musical instrument based on a single-chip microcomputer program. It is composed of a mouse-shaped shell, a single-chip microcomputer, a battery, a socket, a note button and a pitch button. The position of the microcontroller is fixed, and a battery is installed, which can be charged through an external socket. There are seven note buttons in double rows on the mouse-shaped shell, one row has three note buttons, and the other row has four note buttons. When holding the mouse-shaped shell, the index finger, middle finger and ring finger are responsible for pressing the first row of three The first note button or the second row of three note buttons, the little finger is only responsible for pressing the fourth note button of the other row; these seven buttons correspond to the music 1, 2, 3, 4, 5, 6, 7 respectively. Pronunciation of seven notes; there are three pitch buttons on the side of the mouse-shaped shell to control the high, medium and low pitch, and the pitch buttons can be controlled by the thumb.

The invention is a small mouse-like musical instrument based on a single-chip computer program, and the mouse-like shell is made of polymer material.

In the small mouse-like musical instrument based on the single-chip microcomputer program of the present invention, the shell shape of the mouse-shaped shell is designed to be suitable for the shape of a mouse held by the palm.

In the small mouse-shaped musical instrument based on the single-chip microcomputer program of the present invention, the power socket can use a USB interface to charge the internal battery.

In the small mouse-shaped musical instrument based on the single-chip microcomputer program of the present invention, the slot structure inside the sound-producing carrier can fix the position of the single-chip microcomputer.

In the present invention a kind of small-sized mouse shape musical instrument based on the single-chip microcomputer program, the internal program of the single-chip microcomputer is that the input port of the single-chip microcomputer is connected to a micro switch, and the input port is set as a pull-up input, and whether it is low level is checked every 20 ms. When the micro switch is pressed, the input port is pulled low, the microcontroller uses the internal clock to generate a square wave of the corresponding frequency, and drives the speaker through an external circuit to emit a sound of the corresponding frequency.

In the present invention a kind of small-sized mouse shape sounding musical instrument based on single-chip microcomputer program, between described single-chip microcomputer and loudspeaker, be that the port of single-chip microcomputer connects loudspeaker then with a current-limiting resistor, and the other end of loudspeaker is connected to VCC (power supply voltage).

The effect of the invention is: breaking through the large and expensive characteristics of traditional musical instruments, realizing the purpose of playing on a small carrier, and greatly reducing the cost.

Description of drawings

Fig. 1 is a kind of mouse-shaped shell structural representation of the small-sized mouse-shaped musical instrument based on single-chip microcomputer program of the present invention;

Fig. 2 is the shell side schematic diagram of the mouse-shaped shell of a kind of small-sized mouse-shaped sounding musical instrument based on the single-chip microcomputer program of the present invention;

Fig. 3 is a schematic diagram inside the sounding carrier of a small mouse-like sounding instrument based on a single-chip microcomputer program.

In the picture: 1-Charging port, 2-Pitch button, 3-Speaker, 4-Threaded hole, 5-MCU card slot, 6-Battery card slot, 7-Bottom cover, 8-Note button, 9-Mouse-like shell .

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, a small mouse-like sounding instrument based on a single-chip microcomputer program mainly includes a pitch button 2, a speaker 3, a USB charging port 1, a note button 8 and a mouse-like casing 9.

The present invention is a small mouse-shaped musical instrument based on a single-chip microcomputer program. The inside of the mouse-shaped shell 9 mainly includes a threaded hole 4, a single-chip microcomputer slot 5, a battery slot 6 and a bottom cover 7. Hold the shell 9 with the palm of your hand, press the pitch button 2 and the note button 8, and the corresponding program inside the single-chip microcomputer makes the speaker 3 emit a corresponding sound to complete the entire performance process, as shown in Figure 3

The pitch button 2 is generally controlled by the thumb, and the pitch button 2 is distributed on the side of the mouse-like shell 9 .

Described loudspeaker 3 is placed on the side of mouse shape shell 9, and the shape is horn shape.

The USB charging port 1 is arranged on the side of the mouse-shaped housing 9 .

As shown in FIG. 2 , the musical note buttons 8 for except the thumb are arranged in double rows horizontally and placed on the mouse-shaped casing 9 .

As shown in FIG. 3 , the bottom cover 7 is placed on the bottom of the mouse-shaped housing 9 , the single-chip microcomputer card slot 5 is placed in the middle of the bottom cover 7 , and the battery card slot 6 is placed under the bottom cover 7 . The threaded holes 4 are distributed around the edge of the bottom cover 7 for assembling the mouse-like housing 9 and the bottom cover 7 into a whole.

Claims (7)

1. A small mouse-shaped musical instrument based on a single-chip microcomputer program, characterized in that: it is composed of a mouse-shaped shell, a single-chip microcomputer, a battery, a socket, a note button and a pitch button, and the sounding carrier is designed as a mouse-shaped shell, and a card slot is designed inside it To fix the position of the single-chip microcomputer, and it is equipped with a battery, which can be charged through an external socket; the mouse-shaped shell is designed with seven double-row note buttons, one row has three note buttons, and the other row has four note buttons Buttons, when holding the mouse-shaped shell, the index finger, middle finger and ring finger are responsible for pressing the three note keys of the first row or the three note keys of the second row, and the little finger is only responsible for pressing the fourth note key of the other row; The three buttons correspond to the pronunciation of the seven notes of music 1, 2, 3, 4, 5, 6, and 7; there are three pitch buttons on the side of the mouse-like shell to control the high, middle and low of the pronunciation, and the pitch buttons can be controlled by the thumb. . 2. A kind of small-sized mouse-shaped musical instrument based on a single-chip microcomputer program according to claim 1, characterized in that: said mouse-shaped shell is made of polymer material. 3. A small mouse-shaped musical instrument based on a single-chip microcomputer program according to claim 1, characterized in that: the shell shape of the mouse-shaped shell is designed to be adapted to the shape of a mouse held by a palm. 4. A kind of small-sized mouse shape musical instrument based on the single-chip microcomputer program according to claim 1, characterized in that: the described power socket can use a USB interface to charge the internal battery. 5. A small mouse-like sounding musical instrument based on a single-chip microcomputer program according to claim 1, characterized in that: the slot structure inside the sounding carrier can fix the position of the single-chip microcomputer. 6. a kind of small-sized mouse shape sounding musical instrument based on single-chip microcomputer program according to claim 1, it is characterized in that: the internal program of described single-chip microcomputer is that the input port of single-chip microcomputer is connected microswitch, and input port is set as pull-up input , every 20ms to check whether it is a low level; when the micro switch is pressed, the input port is pulled low, the microcontroller uses the internal clock to generate a square wave of the corresponding frequency, and drives the speaker through an external circuit to emit a sound of the corresponding frequency. 7. A kind of small-sized mouse-like sounding musical instrument based on the single-chip microcomputer program according to claim 1, it is characterized in that: between the described single-chip microcomputer and the loudspeaker, a current-limiting resistor is connected in series with the port of the single-chip microcomputer and then connected to the loudspeaker, the other end of the loudspeaker Connect to VCC.