Open Source Activity Monitor: Firefly Ice
Posted by Denis Bohm on March 18, 2013. 0 Comments
The Firefly Activity Monitor project is developing an open source activity monitor. The electronics, mechanicals, firmware, uploading, and cloud storage are all open source.
The first design produced, the Firefly Ice, is intended to be a general purpose device that can be used to develop the whole flow through the basic system. When all the hardware and software is complete for this first design then more variants will be produced. Two new variants under consideration are a small low cost version and a very thin waterproof version.
The Firefly Ice activity monitor will have the following features:
Electronics
- ARM Cortex-M3 Processor with 256KB Flash & 32KB RAM
- Bluetooth Smart Radio
- Full Speed USB
- 3-Axis Accelerometer
- 3-Axis Magnetometer
- Temperature Sensor
- Coin Cell or Rechargeable Lithium Polymer Prismatic Battery
- LED Indicators (2 RGB + 8 Red)
- 64KB Nonvolatile Storage
- Real Time Clock
- Very Low Power Sleep & Active Modes
Firmware
- Calculates & Stores Activity Metric
- Commands & Data Transfer Via Bluetooth & USB
- Encrypted Communication
- Connection Status Indication
- Charging Status Indication
- Diagnostics Log
App
- Automatically Set Device Time
- Transfer Activity Metrics to Cloud
- View Activity Metrics Chart
- Real Time Display of Accelerometer & Magnetometer Data
Cloud
- Stores Activity Metrics
- Push Notifications
- Authorization
- View Activity Metrics Chart
- View Diagnostics Log
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