This is a countdown clock made with the Adafruit Pro Trinket 5V 16MHz, Adafruit DS3231 Precision RTC Breakout, and 2x Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Blue.

Schematic created by Adafruit

 

The clock is set to countdown to November 2, 2020 at 12AM. This is the beginning of a three day period in which there is a 1 in 240 chance that Near Earth Object 2018 VP1 could potentially impact the Earth.

https//cneos.jpl.nasa.gov/sentry/details.html#?des=2018%20VP1

 

 

https://learn.adafruit.com/mindfulness-clock-of-doom