I2C is a great way to connect multiple devices for simple networking communication. Of course, because I2C is not encrypted, others can easily read the info by using an I2C sniffer.
If you want to make such an I2C sniffer, there’s a great guide with source code for Arduino but come to think of it, I can’t really think of any uses for this right now(I know it will hit me after I write this blog post) but it can help you learn more about Arduino and I2C. (
You can adjust the capture windo