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2)
Connect the micro: bit to the computer via a USB cable. Meanwhile, a new
“MICROBIT” disk will show in the computer. Click the "Download" button to
download the code to MICROBIT disk. As shown in the figure:
3)
Turn Maqueen on when the example code is downloaded, then the beetle
pincers will constantly grasp and release.
There are two ways to adjust the starting and ending angles of rotation:
Adjust the angle value in the code.
Loosen the two screws on the servo and adjust the servo by hand,
then tighten the screws. As shown in the figure: