March 24, 2013 by Rogan Tinsley 1 Comment I made a robot bladder for school to demonstrate control systems and feedback loops. This is a video of an early prototype. It is now up to version 3.0 (sounds included!),and ready to roll for tomorrow’s school open night. Advertisements Share this:TwitterFacebookEmailLike this:Like Loading... Related Author: Rogan Tinsley Biology, science and maths teacher with a PhD in Neuroscience and passion for education.