Tomas Tulka's Blog

Random thoughts about programming and other stuff.


OPC UA in the Cloud

OPC UA is an industry standard for machine-to-machine communication extensible enough to run in enterprise cloud platforms.

OPC UA Basic Concepts

Elemental terms and core concepts of OPC UA with all of the important details crunched for beginners and intermediate practitioners.

LoRa Spreading Factor Explained

Understanding LoRa/LoRaWAN data rates and spreading factors without a degree in electrical engineering.


OOP Is Still Cool in 2022

Object-oriented programming might not be perfect but it is still the best we have.

Learning WebAssembly Series

A series of learning texts covering the first steps with WebAssembly for complete beginners.

How Cohesion and Coupling Correlate

Cohesion done right reduces the coupling and complexity of systems.

Good and Bad Monolith

It is unfortunate that monolith has become a dirty word. In fact, a physical monolith is typically the right thing to do. Pure evil is monolithic thinking.