Quote Originally Posted by mcwillis View Post
Found out the reason for the glitches. The NE555 timer chip is over heating inside the mask. I will have to make a heatsink for it. Damn, now I know why prototypes are called prototypes !!
Use a couple of small FETs to drive the LEDs instead of driving them directly from the 555. With the FETs you can parallel a couple of LEDs for increased light output also, and the current sink will be greatly reduced on the 555.