A friend of mine recently had the front third of his foot amputated due to diabetes and an infection. He will soon be allowed to bear some weight on his heel but not on the front of what is left of his foot. The trouble is that he has no feeling left and can't tell when he is putting weight where he shouldn't. His wife has asked me to make a device that will alert him when he does to help with retraining him to walk. Any suggestions for an appropriate sensor? I see the flexforce demo kit ( https://www.parallax.com/product/30056
). Would this work and is it damaged if more than 25 pounds are applied to it?