Based on https://github.com/spacehuhn/esp8266_beaconSpam
Removed all serial output and added OLED I2C screen output.
Will add options as time goes on.
Compiled with Ardurio IDE 2.0.0
ESP8266 Module https://www.amazon.co.jp/gp/product/B086QK3X6Z/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
USB-C Battery Charger https://www.amazon.co.jp/gp/product/B07QTQ46XN/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1
Battery https://www.amazon.co.jp/gp/product/B07KBYK2YX/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
Screen https://www.amazon.co.jp/gp/product/B08CTZVVLS/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1