Integrating physical devices with IOTA by Hugo Gregersen

The first part in a series of beginner tutorials on integrating physical devices with the IOTA protocol.

Introduction

This beginner’s tutorial is a simple, yet powerful demonstration of using the IOTA protocol for making payments and receiving services from a physical device. The goal of this tutorial is to demonstrate how we can build a simple power circuit that can be switched ON/OFF based on the current balance of a given IOTA address.

We will be using an internet connected Raspberry PI together with the Python programming language to check for balances on the IOTA tangle and perform switching of a connected relay using the PI’s internal GIO pins. The relay will again be connected to a simple battery powered circuit that turns ON/OFF a Light Emitting Diode (LED), representing the physical device in our project.

Note!
A simpler version of this project would be to connect the LED directly to the Raspberry PI’s GOI pins without using....

Author

Hiep Nguyen

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