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The button AB key controls the lifting and lowering. The lifting and lowering speed can be controlled by the rotary potentiometer. When rising, it is synchronized with the music. The music stops, and the DC reduction motor stops rotating. When falling, the optocoupler radiation module detects whether it drops to the bottom.
The button AB key controls the lifting and lowering. The lifting and lowering speed can be controlled by the rotary potentiometer. When rising, it is synchronized with the music. The music stops, and the DC reduction motor stops rotating. When falling, the optocoupler radiation module detects whether it drops to the bottom.
