Mar 20, 2013

XBee Time & Temperature Monitor

After a remodel, I wanted to add one of the T2 (time and temp) monitors I've designed to the kitchen that would fit in with the new decor. There's a lot of white and gray, so decided to go with a laser cut white acrylic face plate.

The T2 is powered by arduino as a base station, collecting information and transmitting it to the T2 via XBee radio. A 1Wire DS18S20 temp sensor on my deck is attached to the arduino by repurposed CAT-5 cable run under my crawlspace. The arduino also collects time info from an EM-406A SIRF III GPS unit. All XBee units, receivers or transmitter, are on the same PAN ID channel, so the same information shows up on all. The XBee outputs serial via its TX to a Sparkfun serial LED locally on each receiver, making it easy to create a new monitor station for another location in the house.

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