FireFly

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FireFly [1] is a small form factor wireless sensor network platform and is capable of data acquisition, processing and multi-hop mesh communication. It has a battery lifetime of 1.5-2 yrs depending on the application.

Contents

Hardware Specifications

Sensing: On-board sensing:
  • Light
  • Motion (PIR)
  • Audio
  • Temperature
  • Acceleration (Dual Axis)

(note: A lower cost version of the board is available without sensing abilities called FireFly Jr.)

I/O:

Interfaces to computer via USB

Radios:

CC2420 IEEE 802.15.4 transceiver

CPU: Atmel Atemga32L 8-bit MCU
  • 32KB ROM
  • 2KB RAM
Storage: SD flash card slot for data acquisition and storage

Applications

The FireFly can be customized to suit user-specific applications non-limiting to:

Power

Runs on a 'AA' form factor capable of operating the FireFly for a period of 1.5-2 years depending on the application.

Software

FireFly runs the Nano-RK operating system.

Additional Information

Papers

  • Anthony Rowe, Rahul Mangharam and Raj Rajkumar, "RT-Link: A Global Time-Synchronized Link Protocol for Sensor Networks" Elsevier Ad hoc Networks, Special Issue on Energy efficient design in wireless ad hoc and sensor networks, 2007.
  • Anthony Rowe, Rahul Mangharam, Raj Rajkumar, "FireFly: A Time Synchronized Real-Time Sensor Networking Platform," Wireless Ad Hoc Networking: Personal-Area, Local-Area, and the Sensory-Area Networks, CRC Press Book Chapter, November 2006
  • Anthony Rowe, Zane Starr and Raj Rajkumar, "Using Micro-Climate Sensing to Enhance RF Localization in Assisted Living Environments" IEEE Systems, Man and Cybernetics, Montreal Canada 2007.

References

  1. http://www.ece.cmu.edu/firefly/images/firefly_nodes.jpg

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