Turn a Raspberry Pi Into a Wireless FM Microphone

This build from Instructables usertaifurtransmits what you say into the makeshift lapel microphone over FM radio.

You could also use it in a van or other large vehicle to communicate over the cars speakers.

you could find the full component list, necessary code, and step-by-step instructions at the link below.

Raspberry Pi Based Wireless Microphone| Instructables