I've got a RN XV WiFi board already
List of sensors :
MICS-2710
http://www.e2v.com/e2v/assets/File/sensors_datasheets/metal_oxide/MICS-2710.pdf
MQ7
http://www.cooking-hacks.com/skin/frontend/default/cooking/pdf/MQ-7.pdf
GP2Y1010AU0F Dust Sensor
MQ135
http://www.cooking-hacks.com/skin/frontend/default/cooking/pdf/MQ-135.pdf
MiCS-5121
http://www.e2v.com/e2v/assets/File/sensors_datasheets/metal_oxide/MICS-5121.pdf
Temperature
http://datasheets.maxim-ic.com/en/ds/DS18B20.pdf
O3
http://www.e2v.com/e2v/assets/File/sensors_datasheets/metal_oxide/MICS-2610.pdf
Sound
http://www.knowles.com/search/prods_pdf/MD9745APZ-F.pdf