Hardware: ESP8266 https://www.amazon.com/gp/product/B081PX9YFV/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 Logic Level Shifter https://www.amazon.com/gp/product/B07LG646VS/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 WS2812 LEDs https://www.amazon.com/gp/product/B09738FNN1/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
Code allows hardware to connect to wifi to detirmine current date/time
Then illuminates the correct number of LEDs to represent the day of the month.
I have the LEDs running down the edge of a dry erase board with number 1-31 next to them.