Added PPUC/DMD (#6)

Author: mkalkbrenner

docs/index.md

@@ -109,6 +109,14 @@ For more details, visit the [ZeDMD page](https://github.com/PPUC/ZeDMD).
 [![Watch the video](https://img.youtube.com/vi/B6D00oB4Co8/hqdefault.jpg)](https://youtu.be/B6D00oB4Co8)
 *Click the image to watch the video on YouTube.*
 
+## PPUC/DMD
+
+PPUC/DMD is a replacement DMD for real pinball machines that is able to aply Serum v1 and v1 colorizations.
+It uses a ZeDMD for rendering.
+
+[![Watch the video](https://img.youtube.com/vi/snzCKHoTCRY/hqdefault.jpg)](https://youtu.be/snzCKHoTCRY)
+*Click the image to watch the video on YouTube.*
+
 ## Other components of the PPUC project
 
 To reach our goals, we contribute to other projects like VPX Standalone, batocera, libdmdutil, libserum etc.