Tic-Tac-Toe

Coding Circle - Tic-Tac-Toe

I have been following the YouTube channel of the native web GmbH since my apprenticeship. I came across the channel by chance and then stuck with it because of the technical, detailed and exceptionally good videos. With the new offer of the Coding Circle, which you can unlock with a channel membership, I have decided to improve my knowledge of algorithms. The puzzles are also varied and well explained if you get stuck....

November 1, 2023 · 6 min · Johannes Leyrer
CO2 Monitor App

Create a flutter app to visualize CO2 and temperature readings

Today I want to introduce my co2monitor.app, which I wrote to match my co2monitor.api project to visualize the recorded and stored readings. I chose Flutter because I think it’s a great overall package with Dart to write cross-platform apps. The app retrieves the REST interface of the co2monitor.api and displays the measured values in two graphs. It also offers a configuration page to set the connection to the API. Too long - did not read...

October 29, 2023 · 6 min · Johannes Leyrer
Website

Blog/Portfolio/Project Diary

Welcome to leyrer.io, my website that I created using Hugo and the Hugo PaperMod theme! As a first blog post, here’s a brief explanation of why I chose Hugo and what I plan to do with this site. Hugo - Fast, flexible, user-friendly I chose Hugo because I wanted it to be easy to create a website and my own blog. I wanted a website that loaded fast, was flexible and provided a good user experience....

October 24, 2023 · 2 min · Johannes Leyrer
CO2 Monitor

Create a REST API to store CO2 measurements

Today I would like to briefly introduce my co2monitor.api project. This is a REST API that allows me to store and read the readings from my CO2 monitor. Too long - did not read The CO2 monitor My CO2 monitor is the TFA Dostmann CO2 monitor AIRCO2NTROL MINI 31.5006. This measures not only the CO2 concentration but also the temperature. The measured values are shown alternately on a small display, the CO2 value is still shown next to it on a traffic light, with green up to 799ppm, orange up to 1199ppm and red from 1200ppm....

August 29, 2023 · 7 min · Johannes Leyrer
Oracle Cloud

Hosting with Oracle Cloud Free Tier

Here I would like to briefly show you the technology behind this website or the hosting of it. With the help of Oracle Cloud Free Tiers, I have created an environment that allows me to host my web projects and services and try my hand at new things. The Domain First and foremost, I looked for a free domain. The .de domain of my last name was unfortunately already taken, so I secured an ....

August 20, 2023 · 3 min · Johannes Leyrer