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电动自行车凭借环保的优点给城市交通的健康发展带来了新希望。但是,由于目前电动车电池电量显示时常出现与实际电量不符的情况,限制了电动车技术的进一步发展。本文介绍一种基于单片机A/D转换精准测量电源电量方法,并展示了硬件系统的电路设计与实现过程,以及对单片机I/O设备的控制过程的实现,以此提高电动车电量检测的精确度。
Electric bicycles with the advantages of environmental protection to the healthy development of urban transport has brought new hope. However, due to the current electric car battery power often appear inconsistent with the actual situation, limiting the further development of electric vehicle technology. This article describes a based on the A / D converter precise measurement of power supply method, and shows the hardware system design and implementation of the circuit, as well as the microcontroller I / O devices to achieve the control process in order to improve the accuracy of electric vehicle battery detection degree.