Category Archives: Allgemein

First experience with my new Robomow RC306

I am sitting in my hammock while writing this article – watching my brand new Robomow RC306 cutting the grass in our little garden. I bought the guy a couple of days ago and he is doing his third round … Continue reading

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Physical effects of a missing index in MysQL

Last night i had one of these nights where you think about throwing the sh*** out of your window – which in this particular case would have been quite impressive as i was working on my lamps that are made out … Continue reading

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Building a cellular tracker: Part 5 – Which mobile Service Provider to chose for a Worldwide Coverage at low price

As said in the first post of this series – the idea is to create a cellular tracker. Not just because mobile internet makes more sense in the wild – i also believe that IoT Devices will be operated on … Continue reading

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Basic Electronic tinkering set

The idea was to assemble the cheapest and most straightforward tinkering set for beginners. It’s designed to be used in a huge Workshop at a conference. All parts together (including packaging) cost less than 1 EUR.

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Building a cellular tracker: Part4 – Which cloud-service to chose for storing the data

As described earlier, i want to create a cellular tracker – below i am going to describe where to store the data… Tracking sensor-data only makes sense if the data is being stored in a central place for further action. Usually you … Continue reading

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Building a cellular tracker: Part2 – The Board Decision – Adafruit Fona vs. Linkit One vs. ArchGPRS

As described earlier, i want to create a cellular tracker – below you find my considerations regarding the board… My decision regarding the board was directed into the Arduino direction quickly. Raspberry was out because of power requirements, even the new … Continue reading

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Building a cellular tracker: Part0 – Why future IoT Devices might run on GSM and not Wifi

Currently, i am working on a cellular tracker. I want to have a device that can run autonomously as long as possible and send some data from sensors into the cloud via a GSM network. I am working on this for … Continue reading

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