How to set a mobile transmission with a V-2
What you will need
So with all that you can have : a mobile π-box on battery, connected to a mobile hotspot, a battery powered microphone
Prepare an antenna you can carry with you.
Connect it to the π-box as usual (GPIO4 + ground).
In this example, we will use a Zoom H4.
Start the Zoom. Connect it to the usb sound card, or use it as a usb sound card of the π-box.
Start a hot spot with your smartphone or 3G/4G modem.
It will start the π-box. You can now connect to the access point of the π-box and sets the audio routing, and the wifi, by indicating in the good fields the WiFi ssid and password.
You can now test on your computer to see if you receive the stream, or with a radio to see if you receive the signal on the FM !
Now you're ready for a mobile transmission