[Labpacks] wanted to build a robot car controlled by his phone ... Most could probably even write a phone application to do the control. But do you want to? In most cases, you are better off ...

An Arduino Uno takes this data ... PID (Proportional-Integral-Derivative) control is what makes the robot stay balanced. Kp (proportional gain) determines how aggressively the motors respond ...

An Arduino is a microcontroller — a single board designed to control something and perform ... The good news is that with an Arduino, you can build a robot that handles it for you.