X-Git-Url: http://challenge-bot.com/repos/?p=challenge-bot;a=blobdiff_plain;f=README.md;h=9a3238ae9852a14019a32e385177e5582758b4b3;hp=ba08dc04fbabbb346573fc18e9c7042a30f0729b;hb=ce941be740b45737d19eaa5c726b2f99efabe0b9;hpb=df9c03dc6eac3d134b7978fe4002aa615466d772

diff --git a/README.md b/README.md
index ba08dc0..9a3238a 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,27 @@
 # challenge-bot
 
-## quickstart
+## prerequisites
+
+install the following software:
+
+[openSCAD](http://www.openscad.org/downloads)
 
-[openSCAD tutorial](http://xib.me/s2ry)
+[fritzing](http://fritzing.org/download/)
+
+[arduino ide](http://arduino.cc/en/Main/Software)
+
+## quickstart
 
-[assemble the hardware](http://xib.me/s378)
+[openSCAD tutorial](http://goo.gl/E3OQXc)
 
-[wire and load code to the robot](http://xib.me/s379)
+[build the challenge-bot](http://goo.gl/XgB0xq)
 
 ## Introduction
 
 Most introductory robots are "dead-end" robots that
 tend to strand people after they have the first
-few robot behaviors are implemented -- obstacle avoid,
-wall follow, line follow, don't fall off table, etc.
+few robot behaviors implemented -- obstacle avoid,
+wall follow, stay on table, etc.
 
 One of the primary goals of the challenge-bot is to try
 to make it expandable from simple to more complex in