Wifi Web Thermostat

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hello everyone, new user italy. :-)

i realized thermostat controllable web using arduino wifi shield.
my house divided 2 zones (day , night) controlled 2 programmable thermostats.
i travel work , happen home earlier or later thought. hence need have thermostat controllable web.
looking around found great thermostats wifi web interface expensive (500-700 euros), decided realize project , works!

materials:

product                                                         price      qty       price tot
-------------------------------------------------- ---------------------------------------------
arduino uno                                                   29,90      1         29,90
wifi shield                                                     56,00      1         56,00
temperature sensor ds18b20                             2,00      2         4,00
power supply ac/dc 3-12v 500ma                      9,90      1         9,90
relay 220v                                                      8,00      3         24,00
switch                                                           30,00      1         30,00
switch contact 1no/1nc                                    5,00      2         10,00
mini adhesive backed pcb support 14.3mm           4,50      1          4,06
box                                                                9,00      1          9,00
-------------------------------------------------- ----------------------------------------
total 176,86

i installed arduino + wifishield, 3 relays , switch in box.
i placed 2 temperature sensors side side traditional thermostats, 1 in day zone , other in night zone.
the switch used include/exclude arduino or traditional thermostats.
i added third relay (on web page "auxiliary") turn on/off pellet stove.

screenshot of webpage:



i attach code, libraries , pdf, please use arduino-0023 (with arduino-1.0 not work wifi shield library).
i used modified onewire library because original 1 doesn't work long wires (about 10 meters arduino temperature sensors).

suggestions improvement welcome!

hi gianni,
congratulations project! interesting.
if want can take @ our project freedomotic.com software control system.
i noted it's based on http commands it's simple create specific plugin.
this code example ethernet relay board using similar communication protocol http://code.google.com/p/freedomotic/source/browse/plugins/devices/progettihwsw-eth/src/it/cicolella/phwsw/ethprogettihwsw.java
regards


Arduino Forum > Topics > Home Automation and Networked Objects > Wifi Web Thermostat


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