Alcohol Sensor: Fuel Cell Sensor to detect

alcohol in breath

Temperature sensor: Temperature detection,

environment, breath, etc.

Flow sensor: Detects breath pressure & volume

of exhaled air

Altitude Sensors: Adjustment of breathing

 deviation according to altitude

Breath sampling tube: the structure that accepts

 breathing under certain conditions

Chamber: Maintains exhaled breath conditions

(temperature & humidity)

Pump: Structure that accepts a certain amount

of breathing time.

MCU: Management of measurement algorithm

Memory: Stores the measured reference value

 and the measured result value