18-549 Team 1: Reflex Project Presentation

1
18-549 Team 1 ReflexProject Presentation

• Mid-semester Demo

http//www.ece.cmu.edu/ece549/spring07/team1/inde
x.html
Inbae Lee (inbaelee_at_cmu.edu), Paul Thurlow
(pthurlow_at_andrew.cmu.edu), Ryan Frishberg
(frish_at_cmu.edu), Siva Srinivasan (siva_at_cmu.edu)
2
Re-cap Concept

• Gaming Glove
• Wearable glove which detects hand movements for
  use as an input device
• Accelerometer data to tell hand movement and the
  Telos Mote to wirelessly communicate
• Whats Still New
• Force Sensor Resistor button on the thumb
• Flex Sensor finger flex detection

3
System Architecture
Processed Data
Sensor Data
Raw Data
Process Data
4
Status Update

• Hooked up the accelerometer and can get data
  responsively
• Can get Bluetooth with Java and talk to Wii-mote
  cannot talk to Wii yet
• Have not gotten to work with Flex sensors yet

5
Parts

• Flex sensors (Left Electrotap T303B, Right
  Jameco Flex Sensor 15055)

Tmote
Sparkfun Triple Axis Accelerometer Breakout -
ADXL330 (SKU Sense-ADXL330)
6
Mid-semester Demo
Zigby/USB
7
Next Steps

• Quicker, smoother, more accurate accelerometer
  data
• Hook up flex sensor and get that to work
• Bluetooth to the Wii (hopefully). Getting Wii
  Dev Kit to help us out

8
(No Transcript)
9
Lessons Learned

• Datasheets are helpful!
• Bluetooth through Java.hard
• Example programs (good ones) are useful

10
Tentative Schedule
Week Number Progress
Week 7 Mid-semester Demo
Week 8 Prepare for Spring Break
Week 9 Have Flex Sensors Hooked Up
Week 10 Work on Performance of Reading Data, Make laptop bluetooth discoverable
Week 11 Tweaking for reading data fool with Wii Dev Kit. Hopefully connect to Wii or start working on application for laptop
Week 12 Continue frantically from above
Week 13 Package product nicely -- demo
11
Questions and Answers