AN3783: The Proximity Sensor-based Remote Control is an example of advance universal remote control, implementing wireless 2.4 GHz connectivity, proximity sensors, and an accelerometer
AN3783, Proximity Sensor-based Remote Control Demonstrator Board - Application Notes
AN3783: The Proximity Sensor-based Remote Control is an example of advance universal remote control, implementing wireless 2.4 GHz connectivity, proximity sensors, and an accelerometer