WebWrover Beta

built by Keith Daniel

*
Target Environment Locomotion Method
Indoors Treads
Sensors / Input Devices Actuators / Output Devices
color video camera
microphone
DC drive motors
audio ouput (beeps)
Control Method Power Source
Radio/Control Battery
CPU Type Operating System
Motorola HC11 None
Programming Lanuage Weight
Assembly N/A
Time to build Cost to build
N/A N/A
URL for more information
N/A
Comments
The Beta is the succesor to the Alpha WebWrover, and has improvements to the battery power supply. This version also returns colour video, as well as audio.

The unit has been made modular, to allow easy modification of particular subassemblies.

The camera mount was improved, and now includes a circular azimuth bearing and balanced elevation coupling to the servo, to eliminate stresses to the servo shafts.

We tried to implement a motor tachometer and digital PLL for improved user control, however physical limitations made this impractical.

The goal is to experiment with telepresence on the Web. Early experiments with CU-SeeMe are encouraging, but point out bandwidth problems.

These are a collaboration between myself Keith Daniel VE2KXD (ensign@infobahnos.com) and Donald Dolan VA3DIG (ddolan@inforamp.net).

Thanks to Richard Allix VE2ARW for the precision machining.

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