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 ...

A line follower is a common project for anyone wishing to make a start in robotics, a small wheeled device usually with some kind of optical sensor which allows it to follow a line drawn on the ...

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 ...

Sometimes a coworker sees something on your desk, and they have to ask, “Where can I get one of those?” and that has to be one of the greatest compliments to a maker. [Greg Zumwalt] nailed it with his ...