Overview

There are times when you want your Riponda response pad to detect the onset of an external input, e.g. a switch or a foot pedal. The light sensor input can double up as an external input. You will need a cable with a 2.5mm connector, available from Amazon and many others:

The light sensor input can even be used to receive a TTL signal that’s coming from another computer. However, Riponda does not have internal protection. You can damage your unit if you wire a TTL signal incorrectly; proceed with caution. 

Adjusting Filters

When a mechanical switch is pressed, its contacts will “bounce” a few times, causing several signals to be produced. The size and quality of the switch determines how long it takes for the bouncing to die down. You can “debounce” the switches using a hold-on filter. See XID Filters and Signal Flow.

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Last Revision: Mar 27, 2023