EtherLux, a low power wireless display

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Title: EtherLux, a low power wireless display
Author: Hocker, Andrew Edward
Abstract: Real time information is essential in many businesses and as a method to inform employees and consumers , so that they can make informed decisions . In offices , warehouse and stores it can be advantageous to have tens to hundreds of smaller displays to deliver a variety of information . This paper details the design , implementation and testing of a wireless low power solar powered display system as a solution to deliver real time information . The system uses an Organic LCD to maintain an image for years on no power and uses very little power to update and refresh the display . The system uses off - the -shelf components to achieve multiple updates per day and , with the right lighting conditions , can perform up to one refresh per minute . The system is entirely powered by incandescent light , has a built in radio , and utilizes capacitors to store charge and deliver power , removing the need for rechargeable batteries . The wireless signal works at 2 .4GHz and uses the low power 802 .15 .4 protocol to send and receive data at a range of 75 feet . It has no observable issue operating in environments with 2 .4GHz wireless signals , such as 802 .11g . The whole system can be built for under $75 .00 , and takes up an area of 6" x 8" including the photovoltaic cells .
URI: http : / /hdl .handle .net /2152 /ETD -UT -2009 -12 -489
Date: 2010-09-17

Citation

EtherLux, a low power wireless display. Master's thesis, The University of Texas at Austin. Available electronically from http : / /hdl .handle .net /2152 /ETD -UT -2009 -12 -489 .

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