/challenges-projects/project14/fightinggerms/b/blog/posts/outdoor-social-distance-alertIn this time of social distancing to prevent the spread of the Covid Virus there is a smartphone app ( http://mcontain.md2k.org/#App ) that will track if you get too close to other people. I've been playing with time-of-flight sensors which do a...en-USTelligent Community 12