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Open source Analog Smartwatch
An open source project to create an hybrid smartwatch that you can build yourself.
Features
- Activity tracking
- Count steps, calories burnt, walked distance
- Sleep trackings
- Sleep quality: awake, light, deep, duration, overall score
- Heart rate tracking
- Tracks your beats per minute, peak and low points
- Watch info
- Battery level, change bluetooth name
- Device Finder
- Alarm to inform the user of the risk of loss if devices get far from each others, make the smartphone ring to locate it
Components
Specifications proposal, subject to changes
- Display time
- Ronda gearbox GB22
- Microcontroller
- nRF52832 (nRF52 DK devkit for prototype)
- Clock
- DS3231MZ
- Power Management
- nPM1100
- Sleep tracking
- Accelerometer: BMA400
- Heart Rate Monitor
- Optical Sensor: BH1790GLC
- Watch skeleton
- Watch Case Butterfly on Aliexpress
- Battery
- Round LiPo like LP403535
- Charger
- To be defined
App preview
Your can find the full design on Figma
Wanna help?
App
Help is needed to build a mobile app using Flutter
Hardware
Help is needed to create the PCB