1. MaxLite Direct Lit LED Flat Panels. http://www.maxlite.com/item/instruction-manual?=MLFP22DS4035. MaxLite Direct Lit LED Flat Panels. http://www.maxlite.com/item/instruction-manual?=MLFP22DS4035.
2. PDA10A photodetector. https://www.thorlabs.com/thorproduct.cfm?partnumber=PDA10A. PDA10A photodetector. https://www.thorlabs.com/thorproduct.cfm?partnumber=PDA10A.
3. Philips OneSpace luminous ceiling. http://www.lighting.philips.com/content/B2B_LI/en_AA/products/onespace.html. Philips OneSpace luminous ceiling. http://www.lighting.philips.com/content/B2B_LI/en_AA/products/onespace.html.
4. Texas Instrument OPT101. http://www.ti.com/product/opt101?qgpn=opt101. Texas Instrument OPT101. http://www.ti.com/product/opt101?qgpn=opt101.
5. Caraoke