1. Rouse Wireless Mouse Glove
Seth Martin
Andrew Wood
Todd Yarrington

2. What is a Rouse? A wearable mouse A design motivated by a survey
A glove that…
Obtains function information
Transmits the information
A receiver unit that…
Receives the information
Transfers it to the PC as a cursor
A design motivated by a survey

3. Requirements Easy to use Manageable Ergonomic Wireless Plug ‘n Play
Motion controlled
Manageable
Small size, lightweight
Ergonomic
Comfortable, adjustable, breathable
Wireless
Plug ‘n Play

4. A Demonstration of Rouse Operation

5. Input  Output Behavior
Hand movements
Hand tilting  cursor movement
Finger bends  button clicks
Index  left click
Middle  right click
Pinkie  scroll mode
Thumb hold  state change
Idle
Active

6. System Structure

7. Transmitter

8. Accelerometer (ADXL202EB)
Requirements
Detect hand motion/tilt
Alternatives
Tilt Sensor
Cost
$49.95
I/O Behavior
Dual-axis
X/Y tilting
PWM acceleration signals
Variable duty cycle

9. Flex Sensors Requirements Alternatives Cost I/O Behavior
Detect finger movements (clicks)
Alternatives
Accelerometers
Cost
FREE Samples
I/O Behavior
Variable resistance via bending
75k - 320k

10. Flex Sensor (cont’d)

11. RF Transmitter (TWS-434A)
Requirements
Wireless data transfer
Alternatives
Infrared (IR)
Cost
$8.50
I/O Behavior
Serial data input line
2400 bps max. throughput
433MHz AM modulation

12. PIC18F252 Requirements Alternatives Cost I/O Behavior
ADC, 60Hz refresh, small form factor, memory
Alternatives
Motorola, Other MCUs
Cost
$8.80
I/O Behavior
Gathers click status
4 ADC pins
Decipher tilt status
Serial data for transmission

13. Firmware

14. Data

15. Data Packet Structure

16. Receiver

17. RF Receiver (RXLC-434) Requirements Alternatives Cost I/O Behavior
Wireless data reception
Alternatives
Infrared (IR)
Cost
$28.95
I/O Behavior
433MHz AM demodulation
Serial data line
5000 bps max. data reception

18. USB Chip (PDIUSBD12) Requirements Alternatives Cost I/O Behavior
Plug & Play
Alternatives
Parallel port, Serial port, PS/2
Cost
$59.00
I/O Behavior
Parallel data and address port
8-bits
Bidirectional
Handles signal leveling layers
USB 2.0 Compliant

19. PIC18F452 Requirements Alternatives Cost I/O Behavior
Pins, speed, memory
Alternatives
Motorola, Atmel, TI
Cost
$9.75
I/O Behavior
Data Packet from receiver
Updates USB State Buffers
Sends requested data through D12

20. Firmware

21. Complete Budget Breakdown
Quantity
Supplier
Unit Price
Cost
Transmitter/Receiver
PIC18F252I/SP 1
Digikey
$8.80
PIC18F452
$9.75
Flex Sensors 4
Spectra Symbol
$10.00
FREE
ADXL202EB accelerometer
Behrend
$49.95
PDIUSB Kit
USBdeveloper.org
$59.00
RXM-433-LC-S
$28.95
TWS434A
Reynolds Electronics
$8.50
Miscellaneous
$44.34
Shipping
$21.04
Total
$180.38

22. Future Improvements Greater RF Bandwidth
2.4/5.8Ghz
Battery recharge functionality
Receiver  recharge unit
Aesthetic appearance
Smaller footprint
Custom enclosure

23. Any Questions?