Apple Watch™, Android Wear™, Microsoft Band™, and other
Wrist-based Sensor Platforms
Prepared for Personal Analytics Meetup
By Gene Leybzon, Oct 2014
Anatomy of the wrist-based wearables
Sensors
Display
Processor
Battery
Data memory
RF (BT or BTLE)
USB + power connector
Components of the smart watch
Accelerometer
Gyroscope
Compass
Heart Rate
Ambient Light
Altimeter
GPS
Blood Oxygen
Sensors (in watches currently shipped)
Accelerometer,
Gyroscope, Compass
Track physical activity
Fall detection
Step counter
Calories burn
Sleep quality
Heart Rate
Cardio
Fitness level
Gym
Heart problem warning
Ambient Light
Sleep quality
UV exposure
Altimeter, GPS
Physical activity tracker
Fitness
Calories
Blood Oxygen
Respiratory function check
Fitness
Anesthetic monitor
Hiking
Sensors and Applications
Apple Watch
Sensors:• Accelerometer• Gyroscope• Heart Rate Monitor (optical)
Watch Kit
Samsung Gear 2
Sensors:• Accelerometer• Gyroscope• Heart Rate Monitor (optical)
Motorola Moto 360
Sensors:• Accelerometer• Heart Rate Monitor (optical)
LG Watch R
Sensors:• Gyro• Accelerometer• Compass• Heart rate monitor• Barometer
Pebble Steel
Sensors:• 3d Accelerometer• Compass• Light Sensor
Pebble SDK
Microsoft Band
Sensors:• Optical heart rate sensor• 3-axis accelerometer/gyro• Gyrometer• GPS• Ambient light sensor• Skin temperature sensor• UV sensor• Capacitive sensor• Galvanic skin response• Microphone
Access to Sensor Data
Watch Kit
✚
✚
Google Fit
Data flow for Apple Watch (to the Health Kit Data Store)
Sensors
Sensor Adapte
rs
Health Kit API
Data flow from sensor to Fitness Store
Sensors
Sensor Adapter
s
FitnessRecording API
Data flow from sensor to HealthVault
Smart watch is a great platform for wearable apps Smart watches are very different in terms of
sensors and capabilities Apple and Android are two separate universes Android software tools are ready today Apple Watch Kit will be generally available at least
one month before Apple Watch launch
Summary