add motor controller to bill of materials

[challenge-bot] / README.md

diff --git a/README.md b/README.md
index ffbbda5b0efb44a03cb76a0028de009edc85eed5..1e14e5225290e5aac144141b254412aa29a401d0 100644 (file)
--- a/README.md
+++ b/README.md
@@ -12,11 +12,11 @@ install the following software:
 
 ## quickstart
 
-[openSCAD tutorial](http://xib.me/s2ry)
+[openSCAD tutorial](http://goo.gl/E3OQXc)
 
-[assemble the hardware](http://xib.me/s378)
+[assemble the hardware](http://goo.gl/EV0FCJ)
 
-[wire and load code to the robot](http://xib.me/s379)
+[wire and load code to the robot](http://goo.gl/srWpeI)
 
 ## Introduction