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This videos gives you a technical and physical comparison of the Raspberry Pi 3 model B and Raspberry Pi 2 model B. It highlights the similarities and differences of the development board, the processor, the new components that include integrated wireless and Bluetooth connectivity.
There is also an overview on the new power supply and the latest NOOBS operating system, that you can buy pre-installed on a Micro-SD card from the RS Components website. The new raspberry Pi 3 model B will allow you to create rapid prototyping and developing IOT applications using the Node-Red visual tool.
