Bluetooth Module HC06 for Arduino/Raspberry
Recently I bought a Bluetooth HC06 module for getting into wireless projects. The HC06 is a well known module that has been out for a while now. Most of the topics are covered in the documentation that...
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Adafruit Huzzah - NodeMCU - pinout
I always forget this - and then I am looking for the references. Usually I can't find them and then I am annoyed and upset and the new idea vanished away due to searching of reference materials. So I...
View ArticlePL2303 (fake) - Code 10 Problem
Well, I bought a cheap USB 2 Serial cable from somewhere. It should have been a Prolific 2303 cable and should have been Windows 10 compatible. When I inserted the USB plug into my computer the driver...
View ArticleMy GIT workflow on github
Happy new year. I've just started to hack on a driver for the NodeMCU board. And, once again, I forgot my github workflow. So, here is it again (for me).
View ArticleFixing my rrd knowledge
I am using rrd databases for a quite a while now. Now and then I need to create a new database and I am constantly failing with this task. There are quite a number of reasons why - mostly I lost my...
View ArticleXML/XPath on the commandline (EvE)
I saw a bunch of strange things (as in shell scripts) during my life as a system administrator. After leaving that field of expertise and doing something else I was hired by someone to check their...
View ArticleGerman Umlaute with Perl Text::CSV
The following code is simple, easy to understand but it took me a while to figure that out. It was late at night, a production quick hack was waiting and some more things that happened at that time. I...
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Simple IOT dumper for MQTT in Lua
I decided to post all the data from my ESP8266 projects using MQTT to my Mosquitto broker. Even if I am not doing something useful with it right now, I want to capture the data at least.
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Adafruit Huzzah - NodeMCU - pinout
I always forget this - and then I am looking for the references. Usually I can’t find them and then I am annoyed and upset and the new idea vanished away due to searching of reference materials. So I...
View ArticlePL2303 (fake) - Code 10 Problem
Well, I bought a cheap USB 2 Serial cable from somewhere. It should have been a Prolific 2303 cable and should have been Windows 10 compatible. When I inserted the USB plug into my computer the driver...
View ArticleMy GIT workflow on github
Happy new year. I’ve just started to hack on a driver for the NodeMCU board. And, once again, I forgot my github workflow. So, here is it again (for me).
View ArticleFixing my rrd knowledge
I am using rrd databases for a quite a while now. Now and then I need to create a new database and I am constantly failing with this task. There are quite a number of reasons why - mostly I lost my...
View Article
