This may not be very closely related to labview or ni but I just wish I could get some insights here. I have a labview program which sends current signal through a ni usb device to control the speed of a motor. Originally, this motor is controlled by manually pushing some physical buttons. So how can I switch between the two control signals (1.from labview, 2. from buttons) so that there won't be any gap between the switch? I want to accomplish this because if the control signal drops to 0 at some point, the driver may get damaged. Any advice is much appreciated!