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4. Before switching on, you need to insert the configured SD card into the Raspberry Pi. For
details, please refer to the third chapter of the document. Otherwise, the servo will not rotate
to the middle position after booting. In the next installation, the servos need to be connected
to the robot HAT. And the Raspberry Pi will automatically adjust the servo to the correct angle.
Turn the switch here to “ON” (power on), the servo will automatically rotate to
the initial position. Wait about one minute for the servo to automatically rotate
to the position of 90
°
and stay at 90
°
.Then you can proceed to the next step of
assembly. If there is a power outage during the assembly process, turn on the
power supply again and wait about one minute to continue.
