Learn Electronics with Arduino Project 3: Love o Meter Project Walkthrough in TinkerCAD Circuits - YouTube
Project 3 Love O Meter - Hackster.io
GitHub - nicholasbester/arduino-love-o-meter: The Love-O-Meter project from the Arduino Projects book, code for this project is different from the Arduino Projects book however it has the same result
Love O Meter Tutorial - University of California, Davis