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Fitbit (Hardware (Sensor (Accelerometer, Gyro), Radio Interface (Bluetooth…
Fitbit
Hardware
Charge Control (Battery Life)
Sensor
Accelerometer
Gyro
Date strorage
RTC
Battery
Power Suplies
EMC Protection
Radio Interface
Bluetooth
ANT
Antenna
Sensor to sensor comms
Data Storage Transmission
Internal vs External Processing
Stand alone operation vs device tethering
Continuous recording vs session bsed
Continuous Recording vs Session based
Wireless Comms Frequency
Data privacy + Encryption
2 Way transmission
Duplicat ereporting of stored data (tagging uploaded date
Timestamps and synchronisation
Software
Smart Power Control (sleep)
Calibration
Factory
User/Chair
Algorithms
Measurement
Accuracy
Frequency
Bootloader/Firmware Update
Encloure
environment
Sealing
Vent
Protection
Visual Appeal
Shape
Size
Aesthetics
Skins
UI
LED
Vibration/Sound
E-ink/Display
UI Buttons
Mechanical Considerations
Material Specs
RF Transmission
Strength
Transparency
Mounting to Chair
Means of attachment
Attachment point - Central/Peripheral
Seperate mounting from sensor
Attachment customisation (eg different wheels)
After Collection
Analytics
Market
Product improvement
Scientific
Backend server
File format for activity
Virtual Comunity
Social Media
3rd Party Platform
Client App
platform
iOS
Android
Desktop
Watch
Who is the end user and what market
Activity level
motivation
price point
Business rules
Speed of operation
What Metrics
Actual
Derived
Configuration
Serialisation
Sticker
Digital
Factory interface
Hardware Config ID (update compatibility)
Power Source
Battery
replace/recharge
internal/external charge contacts
Battery Door
Charger
Internal
Charge port
USB
External
Wall Wart
USB
Proximity
Power Generation