The Sensor433 library and Geeetech transmitters and receivers

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 up by one single receiver (an ESP8266 board) that converts the values to MQTT messages on my local network. In this post I will describe... Continue Reading →

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Hello SR open API!

I'm totally addicted to Sweden's public service radio, especially the SR P1 channel that is almost always flowing from our speakers at home. Programs that I miss, I catch up with via the excellent collection of SR podcasts. When I recently decided to refresh my knowledge in AngularJS, I was looking for a ready-to-use backend... Continue Reading →

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