A smartwatch featuring a step counter, BLE connection for notifications, and automatic time synchronization with a mobile phone. This project includes a custom-designed PCB, firmware written in C using Zephyr RTOS, and a companion mobile app developed in Flutter.
- Step Counter: Tracks steps using the BMA456 accelerometer.
- BLE Connectivity: Connects to a mobile phone for notifications and time synchronization.
- E-paper Display: Provides a clear and power-efficient display.
- Vibration Alerts: Integrated vibration motor for notifications.
- Custom 3D-Printed Case: Durable and stylish housing for all components.
- Custom PCB: Designed to integrate all components seamlessly.
- nRF52833 Microcontroller: Handles processing and BLE communication.
- npm1300 PMIC: Power management for efficient battery usage.
- BMA456 Accelerometer: Used for accurate step counting.
- E-paper Display: Low-power display for showing time, steps, and notifications.
- Vibration Motor: Provides haptic feedback for notifications.
- Li-Po Battery: Rechargeable battery for powering the smartwatch.
- 3D-Printed Case: Custom-designed to house the hardware.
- Firmware: Developed in C using Zephyr RTOS for reliable and real-time performance.
- Mobile App: Built with Flutter to handle BLE communication and manage smartwatch settings.
- BLE Communication: Allows the smartwatch to sync time and receive notifications from the phone.
