Hi there.

I'm Nicolaus. Elevator nerd at the Schindler Group by day, amateur coder & smart home enthusiast by night. Here are some of my personal projects. Also find me on LinkedIn and GitHub.

Photo of WiFi / MQTT remote for BenQ projector
WiFi / MQTT Remote for BenQ Projector

Control a BenQ TH530 projector with MQTT commands via ESP8266 / RS232.

C++ MQTT

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Photo of Coffee maker WiFi hack
Coffee Maker WiFi Hack

Control a Philips Saeco Intelia coffee maker with MQTT and openHAB.

C++ MQTT

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Photo of plant watering system
Plant Watering System

Measure soil moisture, run water pump when dry, monitor status & control via MQTT.

C++ MQTT

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Screenshot of Deutsche Bahn elevator status database
Deutsche Bahn Elevator Status Database

Database to explore the reliability of public elevators on German train stations with real-time data.

PHP MySQL Python HTML CSS

  Ask me
Screenshot of Lift Checker
Lift Checker

Google Assistant / voice action to check real-time elevator availability at German train stations.

PHP MySQL Google Actions

  Coming soon
Screenshot of Django-based photo gallery
Photo Gallery

Django-based photo gallery, final project for CS50W course.

Django Python JavaScript Bootstrap

  Coming soon
Screenshot of Django-based photo gallery
Schema.org Microdata Creator

Tiny tool to browse Schema.org types & properties and to create microdata snippets.

Schema.org JavaScript

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Screenshot of openHAB Sunrise Alarm
OpenHAB Sunrise Alarm

Simulate sunrise with smart light bulbs before phone alarm goes off.

openHAB Tasmota Xbase

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Screenshot of kis-ssl-upload
HostEurope SSL Updater

Create and upload domain SSL certificates to HostEurope's customer portal.

Python FTP Let's Encrypt

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