“The alarm goes off, saying basement door open.” Allen says it was just after 1 a.m. on Tuesday, April 16. “I get up, put on my pants, grab my weapon, step in my shoes, and by that ...

He has just finished work on a project that sends out an alarm when the refrigerator door opens, alerting others that you’re on the prowl for munchies. The device uses a light sensor connected ...