电动电子车速里程表的研究

Research on the Electronic Speedometer with Trip Mileage Recorder

介绍一种新型电动电子车速里程表,霍尔速度传感器,里程计数脉冲的产生以及步进电机的驱动和BL2115集成电路在电动电子车速里程表中的应用.

The paper is mainly concerned with a new design of the electronic speedometers with trip mileage recorder. driven by electricity Hall speed sensor, the mileage counting pulse, the elecric stepping motor and BL2115 integrated cirecuit applied in the speedometer are also to be dealt with.