Portfolio

For me sailing is like a meditation - I'm totally disconnected; just wind, sails, and the movement of my boat. I truly can not think about anything while I'm sailing. It feels great to be offline o...
I like the physical representation of computer programs envisioned in the most recent version of Matrix. On the other hand, every IoT device is a tangible manifestation of software impacting our li...
The other side of the Internet of Things. I often speak about providing business value using IoT solutions. My code is running on the factory floor equipment, medical devices, and in other environm...
I created the Internet of Things (IoT) badge for everyone interested in this space :) https://www.polywork.com/badges/internet-of-things-iot
Edge vs Cloud is not the real conversation in IoT space. In this short video I explain why the Internet of Things initiative needs both Edge & Cloud. https://youtu.be/1vqpofuLBpI
I started a Telegram Channel for everyone interested in IoT, security, cloud, edge, aws, and digital transformation topics. https://t.me/thingrex
Q: What is the best way to improve the user experience of an IoT system? A: Add great features! Q: What is the even better way to improve the user experience? A: Remove features not used by the end...
User experience is the most important factor of an IoT project. Sometimes it requires very little effort to improve it! https://youtu.be/MiT2NxCz1GY
JSON, YAML or XML - what is your preference (not only regarding configuration formats)? Configuration files can use various formats. In my opinion, format choice is mainly a personal preference dec...
In this video I demonstrate how to access the jupyter lab running at raspberry using the ssh port forwarding technique. https://youtu.be/vaG3TfqHKIY You can find details at my blog: https://www.thi...
It is a jar, it will be an IoT life-monitoring facility. I begin with aquatic moss (Fontinalis antipyretica Hedw.) and aquatic plant (Ceratophyllum demersum). They will provide dissolved oxygen and...
I am working on my next IoT blog post. For some reason executing this cell made me smile :) It's been quite a while since I wrote my first "hello world". Have a great weekend everyone!
AWS IoT Thing Type helps organize, categorize, and search for IoT Things managed by the AWS IoT Thing Registry. This is a quick cheat sheet on how to manage the Thing Type using AWS SDK for Python ...
Graphical explanation of IoT Thing setup using the AWS SDK for Python (Boto3). IoT Thing is a virtual representation of a physical device or a logical entity (like an application). IoT Thing is one...
Design during Development - is that always a bad approach? What is your opinion on this topic? I wrote a blog post explaining why sometimes Design during Development might be the best approach. htt...
System design from the end-user perspective is an extremely important yet easily forgotten approach. I will use myself as an example. When I was designing a frame for the 'autonomous' lego car, I f...
My take on experience.
Graphical explanation of the AWS IoT Greengrass service. This cheat sheet is a work in progress - I will update this page as I create more content. https://www.thingrex.com/aws_iot_ggv2_cheat_sheet/
How to use the MQTT Retain Message to simplify an Internet of Things (IoT) system - Smart Home example. https://youtu.be/q0LFdXbESP4
Make the World a better place, one step at a time ;)
What might be a Business Case for tracking chairs inside large indoor facilities? When people can freely arrange chairs, they tend to change their location quite often and create different constell...
Chess is an interesting blend of strategy, tactics, and improvisation. I return to this hobby from time to time, but I am not as serious about it as I used to be a very long time ago. By accident, ...
Nature is amazing! Fully autonomous units work together to achieve complex "business" goals. Only 1-to-1 and 1-to-many communication, without a backend system and communication broker. Limited but ...