An embedded countdown timer that only runs while an object stays in front of it. A time-of-flight sensor detects when an object, like a phone, is placed on or near the timer, and the display counts down while it's there. Remove...
Our robot uses an ESP32 as its "brain" and is connected to a PCB. The PCB and ESP 32 are connected to two motors, a battery, and two wheels. In our final project, we decided to have our robot participate in the emotion challeng...