Immediately a toy game, my idea was to make the motor and roller like electric curtains, the curtains made of the story I want, but I don't know how to connect the motor and the roller, maybe you have a better idea.
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Remote control has a single frequency, multi frequency distinction, single frequency can control a set or a row, a row of the need for additional controller.
Electric curtain is divided into three main parts: drive motor, control system, curtain track set. Drive motor with built-in receiver, then the control system as long as the remote control on the line. If not, you need to buy an external receiver and remote control.