The LM358N is an operational amplifier or comparator which can be used to evaluate the voltage readings from the photosensors. It is one of the most important parts in an IR sensor circuit. The L293D ...

There are quite a few flavors of line following robot. No matter how they’re made, most are built for speed and accuracy. The Cambot by [Jorge Fernandez] however makes use of a traditional video ...

This self-operating robot utilizes 6 optical sensors mounted at the front in order to follow a line drawn on a surface. An ATmega8 microcontroller is being used to control the line following robot ...