Robot Chassis Robot Motors Caster Bullets Robot Wheels IR Sensor Cards IC L293D IC Atmega8 Motor Clamps, Switches,B attery Holders, Batteries, Small Electronic Components, Screws & Nuts, etc. The line ...

The robot uses a whopping 32 IR sensors to follow a black line across a concrete workshop floor, adjusting its path using a steering motor salvaged from a power wheelchair.

His latest project is a sophisticated line follower. You’ve probably seen “bang-bang” line followers that just use a photocell to turn the robot one way or the other.

Finally, put the batteries in and place your finished LFR in the track (with the line printed on it using black colour). Place the LFR over the line, and switch on the LFR to see the action! ← Part 23 ...