Waveshare Alphabot2 User Manual page 75

Alphabot2 for micro:bit User Manual
-Put the robot on ground, and make sure the black line is on the center of ground.
After 3s (run the code), robot begin to calibrate, turn left first, then turn right, finally
turn back to original place. Calibration is done for accurate tacking data
The calibrated data is outputted as below:
-First line shows the max values of every sensor
-Second line shows the min values of every sensor
-Flowing the calibrated data. For every line, it shows the calibrated data of sensor 1 to
sensor5 and finally the position of black line.
-The calibrated data of sensor is in range 0~1000. Smaller the value, closer the black
line
-The calibrated position of black line is in range 0~4000. 0: on the extreme left, 2000:
on the center; 4000: on the extreme right.
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