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The Things Network Köln is an official community since


Our story

Welcome to the TTN Köln (Cologne, Germany) community.
Our mission is to provide an open, free and community-owned IoT data network covering the city of Cologne.
Come and join us, together we build up gateways and sensors. Based on the data we will develop applications for a smart city.

About this community

  • 5


  • 15


  • Official community


The Core Team of Köln consists of:

And 14 contributors.

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Gateway #6 in online

The 6th TTN Gateway of the cologne community was put into operation today within sight of the Cinedom and the Köln Tower. We would like to thank o...

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See you at our first MeetUp

Let's grow our Community and meet on the 12th of October at STARTPLATZ Köln.

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Cologne has a new new gateway

I replaced my DIY Single Channel gateway with a new IMST Lite Gateway. The performance, compared to the DIY gateway, is perfect. Now i only need to...

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Mapping Node based on Adafr...

I tested the Adafruit Feather 32u4 and build a little node out of it, very usefull for using with the TTN Mapper.

I equiped it with a little 900mA ...

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The TicTac Node

For TTN Mapper I found the perfect housing, even programming is still possible.
The node is based on an Arduino Pro Mini with 3.3V. The battery vol...

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Gateway Workshop at TTN-Hennef

Last Saturday I was happy to join the gateway workshop organized by the TTN Community Hennef and Bonn. 13 persons joined the workshop and 6 gateway...

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Our first meeting

On last Monday we had our first meeting with some people interested to work with us on the TTN network of Cologne.
For testing purposes we had a L...

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TTN Köln in the Media

The Next Web - The Things Network wants to make every city smart
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There is a new meetup from community nearby (Bonn)

1 day, 9 hours ago

Klaus Römer is now part of Köln community

3 days, 11 hours ago

Köln community page updated

1 week, 4 days ago

The Things Network Köln becomes official!

1 week, 4 days ago

Congratulations! Today is the 1-year anniversary of the community!

1 month, 1 week ago



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13 Oct
Finally we made it happen. The Cologne community is now official. Thanks to @NickelsReinhard for the great event.…
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12 Oct
Today is the day! We will have our 1st meetup and will unleash the Cologne community @STARTPLATZ #ttn #LoRaWan
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8 Sep
And here we go. Gateway No.6 in perfect location. #ttn #TheThingsNetwork
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5 Sep
We are getting bigger and bigger. Welcome our new member pajoma
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1 Sep
Let's grow our Community and meet on the 12th of October at STARTPLATZ Köln. #ttn…

Contact us

Send a message to somebody of the core team or join us on Facebook