| http://www.w3.org/ns/prov#value | - do you want tu use the arduino for both?( Emitter and detector)When you use a resistance do you limit both current and voltagelet see :V= IR, if R is a constant and V coming for the power yo have only one value for INow in your case and for the data:Emitter Vcc-ForwardVolts-(35mamp(Rs))=0where: Vcc= 5 volts ( from the arduino Power Vcc)FowardVolts=1.25 (From emitter data sheet)35 mamp ( no got to
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