电池欠压报警功能；

Low-battery alarm function;

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报警功能：声响报警并停机；报警内容：缺相，欠压，过压，高温，紧急停机。

Alarm function: sound alarm and stop machine. Alarm content: lacking phase, under-voltage, overvoltage, high temperature and urgent stopping.

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研制以P 87lpc768单片机为核心的电动代步车智能控制器，具有过流、欠压保护及调速电位器、和刹车故障保护及报警功能。

An intelligent electric scooter controller with P87LPC768 MCU has functions against over current, lower voltage, pot and brake faults protection against open or shorted wires.

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