References
References
PWM Basics
https://docs.arduino.cc/tutorials/generic/secrets-of-arduino-pwm/PWM Overview
EEPROM
https://onlinedocs.microchip.com/oxy/GUID-06C36746-0136-4691-8940-69BFD41FCC56-en-US-1/GUID-0DCA3136-7D10-4A04-83AE-69F9BF81EBD9.htmlEEPROM Docs