Hacking The Glade Wisp
Make your own scent output peripheral from a piezo air freshner
Wayne Holder | Make Vol. 16- 2008 | Pdf | 4 pgs | 1 mb
Not long ago, my 11-year-old daughter Belle wanted
to create a gadget that would amuse her dog Panda
by dispensing different scents for him to sniff. I had
no idea how to control the dispensing of fragrances,
so we took a trip to the local pharmacy and checked
out the electric air fresheners.
Most of them diffused fragrances with heat or fans,
but one, the Glade Wisp, claimed to use a microchip
to "automatically puff" scented oils into the air.
Intrigued, I bought one to see what made it tick.
The Glade Wisp runs off a single AA battery, which
powers a vibrating piezoelectric disc that atomizes
and disperses aromatic oil in short, smoke-like puffs.
The Wisp turns out to be easy to hack --- for less than
$10 you can make a computer-controlled aromatic
atomizer for all sorts of practical and artistic projects.
Here's how I modified a Wisp to be controlled by an
Arduino board running just a few lines of code.
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