In 2017 hackster.io ran a contest with Make called Make:’s Magically Mathematical Pi Day Contest. The theme was to make something Pi related. I made this game that tested how many digits of Pi you could remember. My entry won first prize.
Over the weekend I made a new Instructables guide for a Weather Forecast Cloud. It uses some neopixels cut off of a reel and a Raspberry Pi Zero. I am working on the code for other devices such as Raspberry Pi Sense hat and Pimoroni Blinkt. I will be putting the code up on GitHub later today once I clean it up some and test it.