Output interface: 6 wire interface (1234 to 4 signal output ends, + positive power, – for the negative power is ground)
The output signal: TTL level (can be directly connected to I/0 microcontroller, infrared light reflected back to the sensor induction, the red indicator light, output low level; no infrared light, the indicator light does not shine, the output high.)
Line sensor array, Line follower
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