Sweet smells are just a click away. We all love a sweet-smelling space, which is why things like the best scented candles, ...

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.

!!! 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 ...

In this case, [Rick] uses an automated air freshener which dispenses a flammable spray for the pumpkins breath if you dare get too close, but not so close as to get burned. The trigger distance is ...