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…
Learning, IoT, programming & experiments
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…
OwnTracks is an open-source device tracker app for iOS and Android that lets you publish location data from your mobile phone. On the mobile app you can locate other connected…
As I use 433MHz transmitters for sending sensor data from many of my IoT-nodes, I have made a re-usable Arduino library for this purpose. The transmitted sensor data is picked…
I’ve started using InfluxDB for storing my sensor data as time series. The main reason for this is that it allows me to use Grafana for analyzing the data. This…
I’ve been searching for an easy-to-get-started home automation platform that can be extended and customized as my needs grow. After struggling with OpenHAB, Domoticz and Freedomotic, I’ve found Home Assistant…
Recently I’ve had problems with my Raspberry Pi 3 overheating though I use a heat sink for the processor and have a very modest load on the machine. When the RPi…
I have different sensor nodes at home that publish measurements at regular intervals to a Raspberry Pi. The data is stored on the RPi and in a cloud service and can…