1. The difference between servos and motors is that you can tell a servo what angle to move to, while you can only tell a motor to go forwards or backward and at what speed.
2. The difference between regular and continuous servos is regular servos can go from 0-180 degrees and you can control what degree, while you can only tell a continuous servo which way to rotate and at what speed, but it has full 360-degree movement.
3. Servos require an external power source because otherwise, it will draw too much power from the Raspberry Pi, causing strange errors or even reboots while your project is running. Your motors may also run slowly or not respond to commands when powered directly from the Pi.
4. You would use servos over motors when you want your movements to go to a specific angle every time.
5. The benefits of the Johnny-Five Servos object is the ability to...