The widely popular ESP32 microcontroller board is a great choice for any hobbyist to build smart electronics and home automation sensors. The board’s powerful but low-cost design inspired millions of DIY enthusiasts and laid the ground for many great products, such as the Dynatrace DevOps UFO. Firmware software for ESP32 boards is mostly implemented by […]
You know that kind of public wlan hotspots at hotels, coffee shops or other businesses that offer wifi access but you need to accept their terms of service? The technique of offering a consensus Web page right when you initially connect to an open wifi is called a ‘captive portal’. A captive portal forces an […]
Last week I stumbled across a great opportunity that was announced within the Google Cloud Blog, which I am regularly scanning for latest GCP innovations. They offered a 30 days free subscription for their new Google Cloud Skill Boost learning platform, which I immediately accepted. Eager to deepen my existing knowledge on GCP cloud services, […]
Retrofitting existing electrical installations with some degree of additional home automation capabilities is a cumbersome activity. Most of the time, the fixed wired installations do not support adding the necessary home automation wires. Even if there is enough space for your home automation wires, the installation routes often do not end where your home automation […]
Within the last weeks, I thought about building a service for automatically answering incoming user questions by using a repository of previously answered questions. The benefit of such an automatic answering system is obvious, but as a foundation for that implementation, a trained text association model is needed. A large corpus of existing texts therefore […]
There are many reasons why I think that a Synology Diskstation NAS is a perfect all-in-one private cloud platform. It keeps your precious family photos and documents safely stored in a RAID system and it runs your local services as well as your home automation system. Therefore, my Synology NAS evolved into a critical backbone, […]
Getting insights into your users experience as well as into your real users behaviour is key within designing, implementing and delivering web applications as well as mobile applications. It’s common practice to monitor your web applications or mobile applications performance in production, to gain valuable insights about how well your application performs within your users’ […]
Developing and publishing mobile apps within global marketplaces such as iTunes or Play Store is a tough business, where many companies fail. The definition and monitoring of strategic targets by using service-level-objectives (SLO) helps to keep up stability and performance of your app and therefore safeguards your app revenue stream. Customer expectations concerning your app’s performance and reliability are […]
Today’s home automation market is largely dominated by prominent vendors who offer a wide spectrum of sensors and actuators that work well in their own homogeneous environments. As long as you stick to the vendor’s collection of hardware, everything should work smoothly and with highest usability. This is also called vendor lock in 😉 As […]
While designing the new generic Smartscape topology model in Dynatrace, I came across a tremendously useful 3D graphing project: force-3d-graph by vasturiano. Cudos to Vasturiano and his valuable contribution to 2D and 3D graph visualisation in JavaScript and within your local Browser. This library enabled the implementation of an Open Source 2D and 3D graph […]