Police events with maps and open data
The Swedish Police has an Open API where the latest public police notifications can be fetched. I have made a self-hosted system that regularly collects that data and stores it…
Author: Lars
Traffic information with OpenLayers and Angular
In my previous post I outlined the development of a web app that uses the Open API from Swedish Radio for working with channels, programs and episodes. That API also…
An audio streaming app with Angular and PrimeNG
Swedish Radio has a great Open API that can be used for finding channel-, program- and episode-data and streaming audio for these where available. I’ve experimented with this API in…
Geolocation with Angular and .NET Core – part 3
In part 3 of this tutorial I will show how to enable the backend API for the “Locations In Your Pocket”-application so that location items can be persisted in a…
Geolocation with Angular and .NET Core – part 2
In part 2 of this three-part tutorial I will explain how the Angular frontend is designed for the “Locations in Your Pocket” application. The Angular application can be configured to…
Geolocation with Angular and .NET Core – part 1
As a recent exercise project I’ve worked on a web application that lets you store and view location data from a browser. The frontend is an Angular 8 app that…
Making a 2D platform game with Godot 3.0
A few weeks ago I stumbled upon the game engine Godot and I decided to give it a try by learning how to use it for creating a 2D platform…
RFXtrx433E, Node-RED, MQTT and Home Assistant
This post describes how I have setup an RFXtrx433E device with a Raspberry Pi to transform data from inexpensive 433 MHz motion- and climate-sensors into MQTT messages on my local…
