Waveshare Alphabot2 User Manual page 72

Alphabot2 for micro:bit User Manual
2. Download the script to micro:bit and open serial software, set baud rate to
115200, 8N1. Data of sensors are printed to serial as below:
- If you put the Alphabot2 on the air, the output values are small, about 0~10
- If you put the robot to white ground, the data will rise to 500~700
- If you put it on black line, the output are about 100.
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