Gateway to communicate with Stiebel Eltron heat pump controllers via an HTTP interface. Developed for deployment on an ESP8266 board with a separate CAN adapter/bridge.

Manage and access GPIOs as objects

A primitive test framework for writing unit tests for Arduino-based libraries or Sketches.

ASCII based protocol to communicate reliably over a serial connection without hardware flow control.

General purpose Arduino library with functions and classes usable in many projects, covering c-string handling, conversions and in- or output.

A framework to implement IoT devices/gateways based on the ESP8266/ESP32 hardware.

A JSON reader and writer for stream-like in- and outputs with low (stack) memory usage, an imperative control-flow interface and syntax/structural validation.

No description provided.

Schematics and PCB layout for a CAN-WiFi gateway based on an ESP8266, an Arduino Nano and a CAN adapter/bridge.

(Re-)Implementation of the ESP8266WebServer tailored towards APIs and little/no dynamic memory allocation.

Arduino Library Manager list

A highly configurable real-time computer vision/image processing platform written in C++

IIoT OPC UA toolbox package for Node-RED based on node-opcua.

Open Source Book about practicaly proven concepts, best practices, cultural philosophies and great ideas that we use in our daily work in projects at Zühlke

Demo repository for our #Chef vs #Ansible session at #ZCamp2017

An Ubuntu-based development box for hacking with Chef, Vagrant, Docker & Co

template for a thesis written in latex