Synchronizes the transmitter and receiver before data is sent.
You can find the latest version, such as RadioHead-1.145.zip , directly from the official RadioHead Project Page. rh_ask.h zip download
Download the ZIP file, open your Arduino IDE , and navigate to Sketch > Include Library > Add .ZIP Library . Locate the downloaded file to install it automatically. Why use rh_ask.h ? Synchronizes the transmitter and receiver before data is