![]() The Raspberry Pi is connected via USB to a PC or Laptop.In general we have to differ between two use cases. But in case of the Arduino the USB cable connection is blocked by the connection to the Raspberry Pi. We can power the Raspberry Pi as usual about the micro USB port on the side of the unit. The power supply for the Pi is not restricted by the serial communication. ![]() Now let us talk about the power supply for the Raspberry Pi and the Arduino. As mentioned before we use an USB cable for the Arduino to Raspberry Pi communication.
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