That seems like wayyyyy too much current for those LEDs, but it depends upon the LED and the maximum duty cycle (and pulse rate) you use. Are you sure that all four resistors are the same value? Check them with a meter.
That seems like wayyyyy too much current for those LEDs, but it depends upon the LED and the maximum duty cycle (and pulse rate) you use. Are you sure that all four resistors are the same value? Check them with a meter.