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An example method includes initiating, by a computing device, a fingerprint sensing operation that is associated with a fingerprint sensor, outputting, by the computing device and over a defined period of time, a sequence of haptic signals with varying intensity, wherein each haptic signal in the sequence has an intensity that is different than a respective intensity of any haptic signal that was previously output in the sequence, obtaining, by the computing device and from the fingerprint sensor, fingerprint data associated with a fingerprint of the finger of the user, and responsive to determining that the finger of the user is still positioned at the fingerprint sensor upon completion of the fingerprint sensing operation, outputting, by the computing device, a discrete haptic signal indicating a successful completion of the fingerprint sensing operation.