Remote-Controlled Car Transformed Into A Robot With Arduino. By Elizabeth Fish. Apr 2, 2012 7:13 am PDT ... Randy added a PING ultrasonic sensor to the front of the vehicle too.

The robot's eyes and ears are provided by an ultrasonic sensor and an infrared sensor, both of which can probably be purchased from electronics hobby stores. Or you can also make your own, for ...

The Arduino version that’s being used for this project is the Uno, which is currently available from the official store for just $23 – cheaper ones can basically be found online on the likes ...

[Greg06’s] robot has a quadruped based, housed within a 3D printed spherical body. The legs are retractable and are actuated by tiny servo motors inside the body.

Designed for kids ages 8 and older, it includes an ultrasonic sensor, a tracking sensor, the main control box, and more parts, all of which are are color-coded and labeled clearly.