Motion Tracking HMD Nick Sorenson Adam Thompson

Motion Tracking HMD

Nick Sorenson

Adam Thompson

HMD

Accelerometers

Microcontroller

RC Car

Camera

RC Application

HMD

Accelerometers

Microcontroller

Tripod, and servo Bust

HMD

Accelerometers

Monitor

Microcontroller

Game, application

Computer

Pseudo Driver

BOM

• LCD Glasses-INNOVATEK V-490

LCD GlassesINNOVATEK V-490

Features/Specifications:

•Picture Size 36 inches virtually at 2 meters

•Micro screen: 960x240 = 230400 pixel.

•Screen size: 0.6cm x 0.6cm

•Viewing Angle Diagonal 26 degree

•Weight Less than 200g(For the part mounted on the head)

•Input Signal NTSC/PAL video signal

•Power Consumption Less than 1.2W

•Power Input DC 6V~12V

•Adjusting Function:- Brightness- Contrast- Volume

BOM

• LCD Glasses-INNOVATEK V-490

• Accelerometer-LIS3L02AQ

Accelerometer

• tri axis accelerometer

• $20

• In stock

• But how sensitive is it?

Gas Accelerometer

From parallax.com

BOM

LCD Glasses-INNOVATEK V-490

Accelerometer-LIS3L02AQ Microcontroller-M68HC11

Servos-36G Servo

DAC and Misc. Circuitry

Power Supply

June July Aug Sept Oct Nov Dec

Physical Placement of Microcontroller    

Programming Microcontroller    

Programming Device Driver      

Physical Placement of Accelerometers    

Function of Accelerometers   Legend Adam

DAC and ADC     Nick

Servos and Tripod    

Risks

• Power

• Mounting our components to the visor

• Accelerometer issues

• Price

• Vendors

• Device driver

Questions?Details at

http://www.cs.utah.edu/~adamt/HMD.html