This revisionist's project examines the meanings of being ALIVE and being AWARE based on the Caveman in the Box Theory.
When my ultrasound sensor stopped working, I decided to improvise by making an obstacle avoidance bot using IR sensors (cheaper too).
Back in January of 2019, Elegoo sent me an email asking if i'd like to test, comment, and review a new product design. I said "YES."
Usefull project when you wake up at night for washroom the PIR Sensor Senses your Motion and turns the tube light on.