The Things Network bridge revisited

A few month ago, I wrote about how to collect telemetry from The Things Network back-end and send them to an Azure IoT Hub.

The code was simple and it only provided telemetry for one device. But the technology used, was working.

Last month, I was involved in creating a workshop for the TechDays 2016 in Amsterdam. The two-hour workshop gives a good impression how to build an IoT Backend in Azure. During this workshop, we used a NodeJs bridge to pass the telemetry to Azure.

This bridge is available at using the NPM package installer: npm install –save ttn-azure-iothub@preview

I got inspired by this bridge and now I have rebuilt my bridge to handle multiple devices and more!

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Access The Things Network Lora telemetry using C# M2Mqtt

Somewhere in December 2015, I was made aware of this Lora initiative called The Things Network. Since then, as an IoT enthusiast, I am researching how to implement this platform in my other IoT projects.

Update 8-11-2016: this blog gives an introduction to MQTT and accessing the TTN network. A full implementation of a C# TTN->Azure bridge is available at GitHub. More details are available here.

Lora stands for Long Range and it fills a gap between Wifi and GMS, thinking about wireless connectivity for IoT sensor boards:


At the moment there are two serious implementations of Lora in The Netherlands. KPN is offering a commercial solution so it’s reliable but it does not come free. And then there’s The Things Network, a Kickstarter solution. It offers free connectivity :-).


What they ‘sell’ are gateways. These come fairly cheap (starting at ~ 250 euros) but with their gateway, you can connect up to 5 kilometers (keep on dreaming about 10 :-)) around your house with Arduino’s, ESPs, RaspberryPi etc. And with a couple of these gateways, you can cover your village or city. So get your friend involved!

The telemetry of the nodes (say twenty bytes of date every minute) are received by the gateways and forwarded to the TTN backend. But you have to do ‘something’ yourself to get the data from the backend. I will tell you how to do that using C# all the way.

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