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The ROACH (Radio On/off Audio Controlled Homing) robotics module is a device that can calculate its location relative to a 24kHz sonic beacon. This technology could be used in a variety of applications such as a shopping cart that follows you around, a drone/robot taking video of a moving target or a robot that must accomplish tasks in a room. Current systems for small distance tracking use computer vision, however, these systems may fail in certain environments. The ROACH beacon will send out brief 24kHz pulses of sound and a radio signal that will be received by the ROACH module. The module will have 3 or 4 microphones arranged in a triangle or pyramid that will be used to trilaterate the position of the beacon.
