From 027c5467add5d79c324d27d9d1b9132c3af21730 Mon Sep 17 00:00:00 2001
From: Balthasar Reuter <br@re-web.eu>
Date: Sat, 23 Jul 2016 16:07:01 +0200
Subject: [PATCH] README updated

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f8892bc..c6b3ca4 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,9 @@ The following is required for running this photobooth application. I used the ve
 * [Python](https://www.python.org) (2.7.3)
 * [Pygame](https://www.pygame.org) (1.9.1)
 * [Pillow](http://pillow.readthedocs.org) (2.8.1)
-* [gPhoto](http://gphoto.sourceforge.net/) (2.5.6)
+* [gPhoto](http://gphoto.sourceforge.net/) (2.5.6 or later) or [OpenCV](http://opencv.org)
 * Optional: [RPi.GPIO](https://pypi.python.org/pypi/RPi.GPIO) (0.5.11)
+* Optional: [Piggyphoto](https://github.com/alexdu/piggyphoto)
 
 RPi.GPIO is necessary to use external buttons as a trigger but it works just fine without. Triggering is then only possible using touch screen / mouse or key 'c'.