Shouldn't be so merciful to brick it. Should have taken over some garage door openers, measured the average time between open and closing, and then close it sud

Shouldn't be so merciful to brick it. Should have taken over some garage door openers, measured the average time between open and closing, and then close it suddenly after t == t_Signal+(t_Average)*1/3. Security is when your door is not trying to get into your car. The carcrackodile would raise awareness.