This library does not measure the frequency. That should be done with an interrupt function (user code). The library provides functions to calculate the radiation and has functions to compensate e.g.

Abstract: This system presents the design and implementation of a password-based door lock system integrated with LED light control for enhanced security. The proposed system allows password entry ...

Abstract: Data transmission through wireless medium has been prominently increasing in the current era due to many emerging technologies like Internet of Things (IoT). Most of the wireless ...