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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