Watching an animated robot is certainly amusing, but interacting with a robot is an experience! You can make interactive robots with unique personalities out of many common toys, and I designed the EZ-B Robot Controller (ez-robot.com) to make the process as easy as possible. This tutorial will introduce how the EZ-B works, and then explain how you can use it to teach an old Digger the Dog pull-toy some new tricks: autonomously chasing a red ball and obeying voice commands.

The EZ-B is a microcontroller circuit board that connects to numerous inputs and outputs. Put one inside a toy, and it will control servomotors, sensors, speakers, LEDs, and other devices that enable your bot’s behavior.

Meanwhile, the ...

Get Make: Technology on Your Time Volume 27 now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.