Step 13 Digital Acquisition Devices Input Output Boxes

For the purposes of interactivity and data acquisition, any analog data (measured in terms of voltage) need to be converted into a digital format.

This is accomplished with the use of digital acquisition or interface devices or input/output boxes. These devices are fairly inexpensive and effectively translate actions made by the simulator's tools from electrical signals to meaningful code translated by the computer. They also integrate tracking input with display and haptic output through either a USB, firewire, or parallel port. Examples of devices that might require analog to digital conversion include dials and switches, optical encoders for tracking, and strain gauges that monitor applied forces.

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