References: [2] Yick, J., Mukherjee, B., Ghosal, D. (2008). Wireless sensor network survey, Computer Networks, Vol. 52, Issue 12, pp. 2292- 2330, August 2008. [3] Ch. Buratti, M. Martalo, R. Verdone, G. Ferrari. Sensor Networks with IEE 802.15.4 Systems, Springer, 2011. [6] Acoustics — Declaration and verification of noise emission values of machinery and equipment EN ISO 4871:2009 [7] http://ww1.microchip.com/downloads/en/DeviceDoc/51483b.pdf http://www.engineeringtoolbox.com/light-level-roomsd_ 708.html [8] http://pdf1.alldatasheet.com/datasheetpdf/ view/230829/HONEYWELL/HCH-1000.html [9] http://www.ti.com/lit/ds/symlink/opt101.pdf |