Pocket-sized Smartphone Breathalyzer

Further to my piece on smell sensing tech, it seems that breathalyzers, which use gas sensors like this one: Alcohol Gas Sensor, are getting smaller. This one attaches to a smartphone, fits in a pocket and costs $35. (Via Interesting Engineering)

That’s not the cheapest one out there — this BACtrack Ultra-Portable Personal Keychain Breathalyzer probably is — but I think it’s probably the cheapest that connects to a phone. 

Some more links on the matter: 

Drinkmate | Specifications

 Blood alcohol content – Wikipedia, the free encyclopedia