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Arduino Line-Following Robot Logic

Type FlowchartStandard Sugiyama layered DAG + orthogonal routingEngine schematex-flowchartUpdated 7/8/2026
Arduino Line-Following Robot Logic
Drawing preview
The request

“A Python control loop for a line-following robot: initialize, read IR sensors, move forward when both are on the line, turn right when the left sensor is off, turn left when the right sensor is off, and stop when both are off the line.”

Then tryAdd a speed adjustment step.Change the stop action to a search routine.
What is in this drawing

Read the decisions behind it.

01

Both sensors on line? -> Move forward

02

Left off line? -> Turn right

03

Right off line? -> Turn left

04

Both off line? -> Stop

Use this flowchart to model logic for any differential drive line-follower using two reflective sensors.

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