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Mr Bwtz, I thought about the sping loaded feeler and it seems to fit the low-power/light-weight requirement but I wasn't sure about how it would affect the initial transition from the ground to the wall. Is there a place where I could buy this sort of feeler?<p>Colin, I also considered an ultra-soni...

I didn't design the existing robot (I am adding to it) so I don't know the specific details, but it essentially creates a low pressure area underneath the robot such that atmospheric pressure pushes it against the wall. I am not creating a robot from scratch. I just have to add sensors to it that ma...

Will that system work if the terrain is not all one color? The robot will currently drive around on a brick wall on the side of a building. I have to make sure that it doesn't run off the wall and plummet to the ground. Thanks for the info Harold.<p>Sam

I am looking for ideas on a lightweight low power wall edge detector for a wall crawling robot. Possibilities I have considered so far are an IR detector or maybe some sort of sonic detector. This project is for my EE senior design class. I am complete novice in the robotics world so any direction w...

I am having the same problem and it is a real let down. I was looking forward to getting my feet wet with some SPICE simulations. What kind of crazy mumbo jumbo was that address anyway? I felt like I was hacking into a mainframe just typing it in! Some help up find the missing link!<p>Sam