The invention discloses an automobile anti-collision alarm instrument based on ultrasonic ranging. The automobile anti-collision alarm instrument comprises an STC89C51 single chip microcomputer, a digital display circuit, an ultrasonic ranging circuit, a buzzer alarm circuit, a stabilized voltage supply and a key circuit, and has the characteristics of small size, simple structure, low power consumption and the like.
本发明公开一种基于超声波测距的汽车防撞报警仪,包括STC89C51单片机、数码显示电路、超声波测距电路、蜂鸣器报警电路、稳压电源和按键电路,本发明体积小、结构简单、功耗低等特点。
Automobile anti-collision alarm instrument based on ultrasonic ranging
一种基于超声波测距的汽车防撞报警仪
2021-02-09
Patent
Electronic Resource
Chinese
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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