Portable electronic device with actuating and sensing module

A portable electronic device with an actuating and sensing module, the portable electronic device comprising:

• a casing comprising at least one inlet aperture, at least one vent aperture, a first chamber in communication with the exterior of the casing through the at least one inlet aperture, a second chamber in communication with the exterior of the casing through the at least one vent aperture, and at least one communication channel in fluid communication between the first chamber and the second chamber;
• and
• an actuating and sensing module comprising:
• an actuating device disposed within the first chamber and closing the at least one inlet aperture, the actuating device comprising a first protective film that is a waterproof and dustproof film structure allowing gas to pass therethrough;
• and
• a sensor disposed within the second chamber;
• wherein when the actuating device of the actuating and sensing module is enabled, the gas is guided into the first chamber through the at least one inlet aperture and flows to the second chamber through the at least one communication channel to be monitored by the sensor, after which the gas is discharged through the at least one vent aperture.