Answer: This is because the head part servo hasn
’
t adjusted properly.
Follow the steps below to adjust neck part servo to the middle position.
1 ) Click the "Red" button on the APP to let the robot stand. If the robot
head turns to the one side, It means the position of the servo is not in the
middle of it has rotates before installation.
2 ) Unplug the servo wire of the neck part servo and remove head and
neck connecting servo horn.
Image 9-1 Neck Part Disassembly Schematic Diagram
3 ) Connect the neck servo to the PWM servo port of the Raspberry Pi
expansion board. Reset robot to reset the neck part servo position.
Image 9-2 Head in Middle Position