Speed and mileage measuring instrument based on single-chip microcomputer

Abstract

The invention discloses a speed and mileage measuring instrument based on a single-chip microcomputer. The speed and mileage measuring instrument comprises the single-chip microcomputer, a power source, a button, a synchronous serial communication module, a display device and a Hall sensor, the single-chip microcomputer is respectively connected with the power source, the button, the synchronous serial communication module and the Hall sensor, the display device is in communication connection with the single-chip microcomputer through the synchronous serial communication module, and the Hall sensor is arranged on a corresponding frame on a wheel and is used for detecting the number of revolutions of the wheel. The speed and mileage measuring instrument has the advantages of being cheap in adopted material, low development cost, capable of independently forming a system, capable of being directly integrated on a bicycle, an electric bicycle and other vehicles to be used, simple in circuit, and easy to use and popularize within a large range.

Description

technical field [0001] The invention relates to a vehicle-mounted detection device, in particular to a speed and mileage measuring instrument based on a single-chip microcomputer. Background technique [0002] With the continuous advancement of the information society, various fields in our lives will enter the field of intelligent information and control to varying degrees. The development of intelligence has also brought great convenience to people's lives. Now intelligent speed and mileage detection equipment are in The fields of automobiles and motorcycles have been fully popularized, but due to the high cost of this monitoring equipment, it is not obvious to use it in the low-cost transportation of bicycles. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a speed and mileage measuring instrument based on a single-chip microcomputer, which has a simple circuit structure, low cost, and is convenient for widesp...

AI Technical Summary

Problems solved by technology

[0002] With the continuous advancement of the information society, various fields in our lives will enter the field of intelligent information and control to varying degrees. The development of intelligence has also brought great convenience to people's lives. Now intelligent speed and mileage detection equipment are in The fields of automobiles and motorcycles have been fully popularized. However, due to the high cost of this monitoring equipment, it is not obvious to use it in the low-cost transportation of bicycles.

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