So around $50 if you’re starting from scratch. At it’s core, this project is about using the Arduino to allow your computer to send signals to the toy car.

Here’s an Arduino library that will let you drive a very large number of LEDs. [Elco Jacobs], an electrical engineering student, is the author of the library. He has a work-study job that has… ...

Rather than purchasing a universal remote he designed a system complete with infrared “babel fish” signal translator, named after the language translation fish from Hitchhiker’s Guide to the ...