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| | Obsolete. |
| [[Category:Occupancy_Sensor]]
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| =History=
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| HacDC's occupancy sensor has been an evolving project, with several generations of hardware and software contributed by many members. In addition to the hardware designs listed below, members like "haxwithaxe" and "eryc" have contributed supporting infrastructure like [[WOPR]].
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| ==NetPLC==
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| Open-source hardware designed by mirage335. Both RFID and Occupancy Sensing functions are supported. Compatible with Arduino Leonardo bootloader, based on an ATMega32U4 microcontroller, with on-board provisions for wired and wireless connectivity.
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| ==WRT54GL==
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| Second occupancy sensor, configured by mirage335, using a WRT54GL with barebones AVR chip hardwired to internal serial TX/RX pads. Data was relayed directly to internet resources (eg. front page icon) by the router over wired and/or wireless connectivity as available.
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| ==Arduino==
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| First occupancy sensor was configured by Martin, consisting of an Arduino, a Radioshack photoresistor (276-1657) and a Quest passive infrared motion detector. Data was retrieved by a desktop computer via USB, then published to internet resources (eg. Google Calendar).
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| ==Credits==
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| Martin Rothfield
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| haxwithaxe
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| eryc
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| Many More
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