Waveshare Alphabot2 User Manual page 73

Alphabot2 for micro:bit User Manual
3. We modify the script to output the position of black line
-Download the code to micro:bit. When black line is under the tracker sensor, data
are smaller to 80~100. The extreme right data is the position of black line. Note
that these data are not be calibrated. (The black line moves from detector 1 to
detector 5 according to the red arrow)
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