Monday 12 January 2009

UAF Progress

There has been a lot of progress since the last post on UAF. The progress made has shaped the possible outcome for UAF and what it is evolving into. A previous post mentioned that the PIR sensors used for detecting movement would unlikely be able to be included in the project as they weren't outputting any useable/readable data, this is still the case. However, the sensors after they are successfully turned on and are allowed to configure their range, do detect movement, and after researching through various brands of burglar alarm systems and finding out what pins on the sensor's PCB are the output, it seems the sensor does require a special pulse from an alarm control box in order to return a signal.

Also mentioned in this post was the idea of adding a second potentiometer to the circuit so that the user would be able to control the two motors individually (and so move the fan on two separate axis). This idea is now implemented and working successfully...




To finalise the project and make it seem as close to a consumer product as possible, UAF will have a base, that will hide most of the cables and Arduino from view, and stabalise the movement of the fan...

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