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A new “toy” on the workbench, the GRR Neo

26. February 202016. April 2015 by cronJ

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 as an additional tool in my toolbox and don’t want to tinker on the printer itself. So, in … Read more

Categories 3D-Printing Tags 3D-Printer, GRR Neo Leave a comment

Simple TCP server with LUA on ESP8266

23. February 20201. February 2015 by cronJ

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 the ESP8266 and sends a message back to the client. If you need help with installing NodeMCU on your … Read more

Categories Electronics Tags ESP-01, ESP8266, LUA, NodeMcu 1 Comment

Running an LUA script on ESP8266 with NodeMCU

23. February 20201. February 2015 by cronJ

In our last NodeMCU post, we covered the installation of NodeMCU on our ESP8266 board. Now we can start to load full LUA script files onto the ESP8266. I will show you how you can do this with a quick example. Needed software You need a terminal software to communicate via the serial interface of … Read more

Categories Electronics Tags ESP-01, ESP8266, LUA, NodeMcu Leave a comment

Flash NodeMcu on ESP8266 (ESP-01 Modul)

17. February 202031. January 2015 by cronJ

Here you can find the new post from 2016 A little instruction on how to flash NodeMCU on your ESP-01 module. Then you can run LUA code on your ESP8266. Hardware needed: ESP-01 module FTDI UM232R as USB-to-serial adapter (or a compatible adapter) Software needed: Git Python 2 Hterm (or any software to view serial … Read more

Categories Electronics Tags ESP-01, ESP8266, LUA, NodeMcu 2 Comments

A photo gallery of my holland Autumn vacation 2014

26. February 202021. December 2014 by cronJ

Here is a little gallery with pictures from my vacation in holland during the Autumn vacation:

Categories Photos Tags Autumn, Canon 60D, Netherland Leave a comment

Extreme close-up of a dragonfly

26. February 202017. June 2013 by cronJ

We got a lot of dragonflies visiting our pond lately. So, I tried my macro lens and waited for the right moment to take a picture. Here just one picture as a result: Shot on a Canon 60D with a Canon EF-S 60 mm f/2.8 Macro

Categories Photos Tags Close-up, Dragonfly, Macro, Pond Leave a comment

Showing the current state of my grow box

26. February 202018. March 2013 by cronJ

In the last article about my ebb and flood system was some pictures of the growth in a month. So here is an update on the state of my grow box.

Categories Gardening Tags Aquaponic, DWC, Hydroponic Leave a comment

Building an ebb and flood hydroponics system

26. February 202013. January 2013 by cronJ

Before I describe my ebb and flood system, here a review of what I tried in the past. I tried the micro drip hydroponics system last week. It works fine for my neglected pepper plants, they got healthy new roots. It is a little difficult to build. You have to get all the little hoses … Read more

Categories Gardening Tags Aquaponic, DWC, Hydroponic 1 Comment

Hydroponics – Building a wooden grow box

22. February 20208. January 2013 by cronJ

I have redesigned my little box a bit. In the beginning, I drilled 5 holes for five pots. But because the hose was in the way, I could only fit 4 pots. So today I cut the hose short. Now I can fit the fifths pot and only have the small hoses coming through the … Read more

Categories Gardening Tags Aquaponic, DWC, Hydroponic Leave a comment

Hydroponics – First try with some bell peppers

22. February 20207. January 2013 by cronJ

On my windowsill, there are still a few, neglected peppers. I had tried to grow them in the winter. Since I was looking at Hydroponics, Aeroponic, and DWC (Deep Water Culture) for a long time, I got some missing parts in the DIY store today and made a prototype. Building a hydroponics prototype Basically, I … Read more

Categories Gardening Tags Aquaponic, DWC, Hydroponic 2 Comments
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