Merge pull request #114 from OliverParoczai/master

State that the program is compatible with the Raspberry Pi 3+.

README.md

@@ -8,7 +8,7 @@ This program generates an FM modulation, with RDS (Radio Data System) data gener
 
 It is based on the FM transmitter created by [Oliver Mattos and Oskar Weigl](http://www.icrobotics.co.uk/wiki/index.php/Turning_the_Raspberry_Pi_Into_an_FM_Transmitter), and later adapted to using DMA by [Richard Hirst](https://github.com/richardghirst). Christophe Jacquet adapted it and added the RDS data generator and modulator. The transmitter uses the Raspberry Pi's PWM generator to produce VHF signals.
 
-It is compatible with both the Raspberry Pi 1 (the original one) and the Raspberry Pi 2 and 3.
+It is compatible with both the Raspberry Pi 1 (the original one) and the Raspberry Pi 2, 3 and 3+.
 
 ![](doc/vfd_display.jpg)