I found a very interesting air quality sensor board from the Germany company OhmTech on Tindy. One of this magic Bosch Sensortec sensor - the BME680 - is used in conjunction with an STM032F72 microcontroller to give a neat "USB-sensor-stick":

 (c) ohmtech.io

Simple full restore IOT database

According to node-red cookbook all files in the .node-red subdirectory should be backuped - except files in "node-modules" sub-directory:

Simple full backup IOT database

Initial steps to setup Grafana on Raspberry3 Debian Strech


2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.

Regular supporter of wikimedia