For those of you who are interested in using a OPI zero as a small IoT-Server. I have some hints to get it working. It's more or less a lmgtfy How To plus some arduino code to test if it works. Hardware: OrangePi 0 with Armbian 5.25 connected over lan to my router DHT11 Module on a Wemos D1 mini (a small cheap wlan MCU for ~3$ which can be programmed via the Arduino IDE) Installation: First of all we install node-red on the OPI. Instead of rewrite how to do that aga