Abstract: A method and device for detecting a signal characteristic of a sensor signal originating from a sensor. The method includes: sampling the sensor signal at a sampling rate to generate sample values; calculating a correlation measure for the sensor signal by summing up the absolute differences between two consecutive sample values of a sampling sequence of the sampled sensor signal, wherein the sampling sequence includes a certain number, N, of sample values; and determining a signal characteristic of the sensor signal on the basis of the calculated correlation measure.

Abstract: A sensing arrangement and corresponding detector device includes a sensing area, for accommodating a sensing substance selected for experimenting an optical response as a response of an external stimulus; a light emitter, for emitting light towards said sensing area; a light receiver, for receiving a light from said sensing area; a substrate having a first substrate surface and a second substrate surface; wherein, said light emitter includes a first LED and the light receiver includes a second LED, both LEDs formed on the first substrate surface; and the sensing arrangement further includes a trench, formed between the first LED and the second LED.

Abstract: The sensing arrangement (1), comprising:—a sensing area (10), for accommodating a sensing substance (20) selected for experimenting an optical response as a response of an external stimulus;—a light emitter (11), for emitting light towards said sensing area (10);—a light receiver (12), for receiving a light from said sensing area (10);—a substrate (13) having a first substrate surface (131) and a second substrate surface (132); wherein, said light emitter (11) comprise a first LED (110) and said light receiver (12) comprise a second LED (120), both LEDs (110, 120) formed on said first substrate surface (131); and said sensing arrangement (1) further comprises a trench (14), formed between said first LED (110) and said second LED (120).