We’ve seen air fresheners used for many hacks here at hackaday. This one is a bit different as it uses the PIR sensor assembly to turn on LEDs in sequence, rather than reversing a motor.

This starter pack is the best automatic air freshener you can get because it’s easy to use and really works, so you can set it and forget it. Reviewer AshKum says, “I love this thing!

!!! Note !!! Ensure the disc wheel is reset before installing the spray refill. If not, use a tool to push it up to reset. For Glade canisters (6.2 OZ) and For Air Wick canisters (5.89 OZ): This ...

[jcopro] took a look at a Glade automatic air freshener he had sitting around and couldn’t help but open it up to determine how the mechanism worked. After taking it apart, he found that the ...