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