E EmptyNest Administrator Sep 26, 2011 #1 In an effort to make bike riding safer, DIYer Ben Heck builds this proximity sensor for bikes, that warns when you're getting too close to cars or other objects on the road. More »
In an effort to make bike riding safer, DIYer Ben Heck builds this proximity sensor for bikes, that warns when you're getting too close to cars or other objects on the road. More »
