After printing a good amount of filament with the GRR Neo, I’m really happy with a 3D printer as another tool in my drawer. So the investment was worth it. From time to time I’m printing a part fro...

The end of the year is near, and I harvested the last plants in the garden. This year I had different variants of peppers in the smart pots full of dirt. But they were in a dark corner with limited...

For the vacation in Holland this year I got a new gadget. A Flow-Mow to create new time-lapse videos. Here are the resulting videos.

On two of the last bike trips I took my camera backpack instead of my camel back. So, here are some photos I took during my trip to the Großer Feldberg.

I wasn’t really happy with the light which comes with my 30 l aquarium. But I have a lot of white 3 W LED lying around. So we will build a new LED light for the aquarium. Bill of Materials 3x ...

Two days ago it finally happened. After months of research, I finally ordered my first 3D printer. It is a GRR Neo (German RepRap). The GRR Neo is a fully assembled 3D printer. I want the printer ...

To improve the efficiency of automatic garden watering systems, I tested some methods to measure the soil moisture. Mainly I tried resistive and capacitive methods. For connecting the sensors to a...

This season I will place most of my peppers in soil. But I will keep one plant in a hydroponic system for fun. So, I chose the “top drip bucket” as an easy variant for this plant. In a “top drip b...

Here is a new LUA script example for your ESP8266 running NodeMCU. The script creates a TCP server listening on port 80. Each time you receive data on the server, it toggles the LED connected to th...