A sensor assembly for a vaporizer device for delivery of an aerosol for inhalation by a user, comprising: at least one substrate ; a flexible sensor having at least one end coupled to the at least one substrate , the flexible sensor being configured to reversibly deflect from an initial state to a first state in response to a first user-activated force representing air being drawn through an airflow path of a vaporizer device , and the flexible sensor being configured to reversibly deflect from the initial state to a second state in response to a second user-activated force representing an acceleration of the vaporizer device ; and characterized by a controller configured to: receive a deflection signal in response to deflection of the flexible sensor , maintain a first frequency threshold and a second frequency threshold, compare the deflection signal to the first frequency threshold and the second frequency threshold , output a first signal when a frequency value associated with the deflection signal is less than the first frequency threshold, the first signal being associated with air being drawn through the airflow path ; and output a second signal when the frequency value associated with the deflection signal is greater than the second frequency threshold, the second signal being associated with acceleration of the vaporizer device . at least one substrate ; a flexible sensor having at least one end coupled to the at least one substrate , the flexible sensor being configured to reversibly deflect from an initial state to a first state in response to a first user-activated force representing air being drawn through an airflow path of a vaporizer device , and the flexible sensor being configured to reversibly deflect from the initial state to a second state in response to a second user-activated force representing an acceleration of the vaporizer device ; and characterized by a controller configured to: receive a deflection signal in response to deflection of the flexible sensor , maintain a first frequency threshold and a second frequency threshold, compare the deflection signal to the first frequency threshold and the second frequency threshold , output a first signal when a frequency value associated with the deflection signal is less than the first frequency threshold, the first signal being associated with air being drawn through the airflow path ; and output a second signal when the frequency value associated with the deflection signal is greater than the second frequency threshold, the second signal being associated with acceleration of the vaporizer device . receive a deflection signal in response to deflection of the flexible sensor , maintain a first frequency threshold and a second frequency threshold, compare the deflection signal to the first frequency threshold and the second frequency threshold , output a first signal when a frequency value associated with the deflection signal is less than the first frequency threshold, the first signal being associated with air being drawn through the airflow path ; and output a second signal when the frequency value associated with the deflection signal is greater than the second frequency threshold, the second signal being associated with acceleration of the vaporizer device . <EOS>