Reminding device for preventing myopia

Abstract

The invention discloses a reminding device for preventing myopia. The reminding device comprises a shell and an electronic control panel. The electronic control panel consists of a Arduino Uno development board, an ultrasonic ranging circuit, an ambient light intensity detection circuit, a target distance display circuit, a high-precision biaxial tilt angle sensor, a voice prompt circuit, a loudspeaker and a lithium battery charging circuit. The ultrasonic ranging circuit is used for measuring distances between the eyes of a user and a target. The ambient light intensity detection circuit is used for measuring the light intensity in the environment. The target distance display circuit adopts a mini battery display device to visually display a target distance. The high-precision biaxial tilt angle sensor is used for detecting left and right tilt angles between the head of a user and the horizontal plane. The Arduino Uno development board controls the voice prompt circuit to drive the loudspeaker to give out prompt voice according to a received detection signal, so that the user corrects the own posture. The reminding device has advantages of simple structure, low energy consumption,and high intelligence; and the user can be reminded timely to improve the wrong eye usage habit.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a reminder device for preventing myopia. Background technique [0002] In recent years, more and more people suffer from myopia, and the average age of people suffering from myopia is gradually decreasing. High myopia is prone to various eye fundus lesions, causing severe permanent visual damage, and due to the irregular daily sitting posture, it cannot be corrected in time, causing more and more primary and middle school students to wear myopia prematurely Glasses, which can correct the problem of irregular sitting posture in time, are an important means of preventing myopia. However, the current anti-myopia equipment has a single function and low practicability, and there are complex circuits and high power consumption. question. [0003] To sum up, how to design a reminder device for preventing myopia with simple circuit structure, low energy consumption and high degree ...

AI Technical Summary

Problems solved by technology

High myopia is prone to various types of fundus lesions, causing severe permanent visual damage, and due to the irregular daily sitting posture, it cannot be corrected in time, causing more and more primary and middle school students to wear myopia prematurely Glasses, which can correct the problem of irregular sitting posture in time, are an important means of preventing myopia. However, the current anti-myopia equipment has a single function and low practicability, and there are complex circuits and high power consumption. question

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