N: RTD14005 A: relay D: http://documents.tycoelectronics.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7FRT1%7FIJ1%7Fpdf%7FEnglish%7FENG_DS_RT1_IJ1.pdf N: LTV-816 A: opto D: http://media.digikey.com/pdf/Data%20Sheets/Lite-On%20PDFs/LTV-8x6.pdf N: PS1024AL A: button D: http://media.digikey.com/pdf/Data%20Sheets/E-Switch%20PDFs/PS1024AL-BLK.pdf N: BAS16WT A: diode D: http://61.222.192.61/mccsemi/up_pdf/BAS16WT(SOT-323).PDF