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…
Audio streaming 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…
