EELab Sem 2 Final Project 2022 Design by Keith Lin This code use a lot of library Library List TimerOne https://github.com/PaulStoffregen/TimerOne AdvancedSevenSegment https://github.com/KeithLin724/AdvancedSevenSegment LM35 https://github.com/ggzucco/LM35 HCSR04 https://github.com/Martinsos/arduino-lib-hc-sr04 You can clack this link to know more about how to download library Download doc https://docs.arduino.cc/software/ide-v1/tutorials/installing-libraries