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Project 17：Line Tracking Sensor
17.1: Detect Line Tracking Sensor
(1)Project Description
The motor driving board of the Keyestudio 4WD Mecanum Robot Car
comes with a dual-channel line tracking sensors which adopt TCRT5000 IR
tubes and 2 potentiometers.
TCRT5000 IR tube has an IR emitting tube and a receiving tube.
Low level(0) is output when IR transmitting tube emits IR signals to
receiving tube; high level(1) will be output when smart car runs along black
line.
When smart car drives on the white ground, TCRT5000 IR tube will emit IR
signals which will be reflected by white ground and received by receiving
tube, consequently output low level(0); on the contrary, when driving on
the black surface, the high level is output.
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