IoT

A collection of smaller home automation projects built on open source solutions from others. From magically opening entrance doors to RGB ambience behind every piece of furniture, and a standing desk that obeys Siri.

How I used an ESP, magnets, and Kubernetes to solve the great toilet crisis of 2021. A tale of absolutely necessary workplace optimization.

Course paper and very practical presentation on IoT security: Google Dorking for exposed cameras, Sub-GHz attacks with the Flipper Zero, and a suitcase full of demo gadgets.

How I made my apartment entrance buzz me in after authenticating my phone over BLE. It also opened the door once while I was driving past.

When your loft flat turns into a sauna every summer, the logical solution is obviously to reverse-engineer a decades-old proprietary bus protocol. The final implementation makes an ESP8266 impersonate the bus by abusing UART at 5924 baud.

How I reverse-engineered my electric sofa to work with Home Assistant using an ESP32. After frying a transistor and some emergency soldering, I now have a voice-controlled couch.