IoT blockchain experiment

This example makes use of a Raspberry Pi device which is a Single Board Computer (SBC). The Raspberry Pi is a SBC developed as a low-cost computer to promote computer education but has also gained much more popularity as a tool of choice for building IoT platforms. A Raspberry Pi 3 Model B is shown in the following picture. You may be able to use earlier models too, but those have not been tested:

Raspberry Pi Model B

In the following section, an example will be discussed where a Raspberry Pi will be used as an IoT device connected to the Ethereum blockchain and will act in response to a smart contract invocation. ...

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