In-depth Explanation on my site

https://www.danielbiegler.de/post/how-to-hack-your-coffee-machine-to-serve-you-via-wifi/

What is this

I hacked my coffee machine to serve me coffee via a beautiful web interface and blogged about the process. This is the used code.

What the interface looks like

GPIO Schema

• GPIO2 => Toggle power
• GPIO3 => Brew one cup
• GPIO4 => Brew two cups