F820简易控制主板，体积小，功率大，适于机械行程限位车库电机的改装和维修。

　　主要功能

　　可配多种类型的遥控器

　　兼容常开或常闭限位等机械方式

　　动力强劲、低噪运行

　　运行时由微电脑主控制芯片实时进行阻力检测、定位精确

　　电机故障检测保护功能

　　F820 simple control board, volume small, super power, fit to mechanical limit remodel and maintain of garage motor.

　　Key function

　　Match with kinds of remote,

　　Compatible NC & NO limit such as mechanical mode.

　　Powerful, low noise running

　　Resistance test and exact position are controlled by microcomputer chip during running

　　Motor error test and defend function