Flickering LED Tealight Candle

There are plenty of candle-flicker LED projects out there, but I was looking for one that had a few additional properties:

- A more realistic flicker based on a normal distribution of light intensities instead of uniform random numbers
- A candle that would respond to the environment
- Something that fit in a standard Yankee Candle (R) tealight candle holder

The thing I created uses an ATTiny85 to generate a binomial distribution of random numbers that are then fed to a PWM output that