Systems, methods, and computer-readable storage media for dynamically adjusting sensors for use in compactors and receptacles. A receptacle first sends a signal from a transmitter on a first module in a receptacle to a receiver on a second module in the receptacle, wherein the first module is located on a first inner wall of the receptacle and the second module is located on a second inner wall of the receptacle, and wherein at least part of the first module and the second module is located a distance above a bin inside the receptacle. Next, the receptacle determines a signal-detection characteristic including a signal detection status or a number of signal pulses associated with a signal detection. Based on the signal-detection characteristic, the receptacle determines an operating condition of the receptacle, the operating condition including a fullness level or an obstruction level associated with the first or second sensors.