无辐射：无红外线、紫外线，保护皮肤。直流低压电路设计，对大脑无高压电磁辐射。
Radiationless: no infrared rays, no ultraviolet rays, protect skin. DC low-voltage circuit design, have no high-pressure electromagnetic radiation on brain.
基于单片机低压电动机保护电路设计摘要：电动机因具有结构简单、价格低廉、使用维护方便等优点，在国民经济各方面被广泛采用。
Based on SCM LV motor protection circuit design Abstract: motor is simple, inexpensive and easy to maintain use of the advantages of the national economy in all aspects are widely used.
其原理包括参考电压电流电路，2.7V及1.8V电压调整电路，过流保护电路以及低压检测电路四个部分。
The schematics includes four parts: bandgap reference voltage and reference current, 2.7V and 1.8V regulator, over-load protection , Low Battery Detection (LBD) .
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