Preparing the remote control app for Christmas

Winter is soon to arrive in Sweden and the amount of daylight is decreasing every day. Thus it's time to set up some extra light sources indoors and outdoors. I have been using my web app for remote controlled outlets (link) for some months now, but with the additional light sources needed for this time... Continue Reading →


A web app for IoT data visualization

As described in some earlier posts, I have a setup at home with IoT devices that publish measurement messages to a Raspberry Pi via MQTT. The RPi stores the data in a database and also forwards the messages to a cloud service (Adafruit IO). In this post I have made a self-hosted data visualization web app... Continue Reading →

A self-hosted MQTT environment for Internet of Things – Part 1

MQTT (MQ Telemetry Protocol) is a lightweight machine-to-machine communication protocol that works on top of TCP/IP and it is very much suited for usage in an Internet-of-Things scenario. MQTT uses the publish-subscribe pattern where the clients subscribe to topics and publish messages through a broker. There are many different framework implementations of MQTT as well as complete cloud services... Continue Reading →

Daemonize that Python script!

This post builds on a previous experiment where I made a remote control app for my outlets with a Raspberry Pi, Python/Flask and AngularJS. For the backend to be really useful, I want to make it behave as a service in Linux. It should start automatically after a reboot and there should be some control mechanism for... Continue Reading →

Raspberry Pi & PS2 EyeToy

Last week I finally got around and bought my first Raspberry Pi. Getting it up and running with Raspbian via Noobs was a breeze and after playing around with the OS and Python for a while I decided to get some real use out of this little machine. My first experiment aimed at a home security... Continue Reading →

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