123Splat:
I.R. LASER diode needs to be fed 2.2 volts, not 5 volts. You need a driver (constant current source)
But a series resistor is one perfectly good way to get constant current drive...
123Splat:
I.R. LASER diode needs to be fed 2.2 volts, not 5 volts. You need a driver (constant current source)
But a series resistor is one perfectly good way to get constant current drive...