Is it safe to drive directly from a pin?
I would rather ask, why use an incandescent lamp at $2.73 a pop, marked down from $3.25? High brightness white leds are cheaper then that and have no current inrush problem, and don't burnout like incandescent lamps.
I guess I will hook the bulb up with an external transistor.Is a 2N2222 acceptable?
I already have a high brightness LED and it has noticeable flicker at the low end of the PWM.