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Smart City Bonn

Internet of Things: smart raised beds and cycle path information

In March and April 2023, the "Digital City" department of the Office for Economic Development invited people to the MakerSpace Bonn to develop solutions to everyday problems with digital projects.

The aim of both workshops was for beginners and advanced users to use the Internet of Things to develop prototype solutions for real-life problems in Bonn, in direct contact with the "things".

Workshop 1: Generating ideas

Together, we brought the Internet of Things to life and developed creative, practical use cases for Bonn. No technical know-how or prior knowledge was necessary. Under the professional guidance of Damian Paderta, all participants received an introduction and everything they needed to develop and implement their ideas. The  "Tiles IoT Toolkit" method (opens in a new tab) was used, which uses certain questions as a kind of "card laying game" to help concretize and implement ideas. In addition to the guidance, there was plenty of room for participants' own ideas, thoughts and solutions.

The groups' results were digitized and discussed. In the end, the ideas from Group A and Group B were feasible and were prepared for the second workshop. The other ideas can be implemented independently.

Workshop 2: Building prototypes

In the second workshop, the two ideas "Urban gardening sensors" and "Winter safety cycle path" were implemented together with Caspar Armster:

Urban gardening is a popular hobby in the city. At the same time, small gardens and raised beds are increasingly exposed to capricious weather conditions. So how can the areas be maintained sustainably and in a feasible amount of time? We answered this question in the second workshop with the help of sensors and the Internet of Things!

Our solution: monitoring by sensors that measure pH value, moisture, rainfall and other parameters and make them available via the internet (specifically: LoRaWan network). This allows gardeners to plan their care more efficiently and in a time-saving manner.

It can also facilitate coordination in garden communities, for example. Our built sensors are hanging at the Haus der Natur, feel free to stop by!

The following graphs visualize the current measured values of the sensors

You can find the entire dashboard  here (opens in a new tab).

Ambient temperature curve:

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Current temperature values:

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pH value and conductivity:

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ph-value soil:

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ph-value soil (other representation):

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Battery status of the sensors:

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Moisture floor:

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Cycle paths in winter

Winter may just be over, but cyclists know the problem: as soon as ice and snow block the roads, the journey to school, university or work becomes a test of courage. An overview of which paths are safe, which should be gritted and which should be avoided for the time being can help. A second group has dedicated itself to this challenge. With the support of Bonnorange, a model route is to be created on which the condition of the road can be measured and viewed on the move. We will keep you informed of progress on this page.

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copyright

  • Jana Hevendehl/City of Bonn
  • City of Bonn
  • Copyright by Damian Paderta/Nozilla
  • City of Bonn
  • Copyright by Damian Paderta/Nozilla