SunFounder PiCar-X Kit
8.2 Q2: When using VNC, I am prompted that the desktop cannot be
displayed at the moment?
In Terminal, type sudo raspi-config to change the resolution.
8.3 Q3: Why does the servo sometimes return to the middle position
for no reason?
When the servo is blocked by a structure or other object and cannot reach its intended position, the servo will enter the
power-off protection mode in order to prevent the servo from being burned out by too much current.
After a period of power failure, if no PWM signal is given to the servo, the servo will automatically return to its original
position.
8.4 Q4: About the Robot HAT Detailed Tutorial?
You can find a comprehensive tutorial about the Robot HAT here, including information on its hardware and API.
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174 Chapter 8. FAQ