There’s hardly a day that passes without an Arduino ... line follower. You’ve probably seen “bang-bang” line followers that just use a photocell to turn the robot one way or the other.

[Greg Zumwalt] nailed it with his “Marblevator Line Follower.” Roboticists will ... Inside the cylinder is a battery, charging circuit, inductive receiving coil, and a motor turning a magnet ...

Here is an Arduino based circuit with three independent pulse width modulated (PWM) channels to fulfil your requirements! Just follow the schematic diagram to complete the ... For this purpose try the ...