A dissertation for an MSc degree in Connected Environments at University College London, 2022/2023.
This project uses OpenThread in LoRa to sense humidity, temperate and light in the Queen Elizabeth Olympic Park (QEOP), London. Sensor data is visualised via web dashboards and projected on a physical Olympic Park table using projection mechanism.
| Mesh node | The Data Table |
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Assets
This folder includes the 3D printed parts, namely Fusion360 project files and STLs for the enclosures and the 3D objects for the Data Table.
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Code
Includes micro-controllers' code, Artificial Intelligence code and various assets used during development.
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The main Micro Python code for the Lopy4, which uses Open Thread for LoRa mesh.
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Contains the code, schematic and results for the real-time current analysis circuit.
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Web page that visualises CSV data for LoRa heatmap in the Olympic Park.
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A web page built using A-Frame to visualise 360 videos of the QEOP on VR Headsets.
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Data Table The data files projected on the physical map including the final calibrated Base Map.
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Datasets
The final datasets as an outcome of this project. There is a detailed description available for each dataset.
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Docs
This folder holds different kinds of documentation and images produced during project life time.
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PCB
The electronic side of the project. This section contains Eagle files and CAM outputs sent to PCB manufacturers. Also, a CNC manufacturing tutorial is available.
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Server
Docker Composer file for InfluxDB, Grafana and MQTT broker. Basically, all data acquisition is being managed by this Docker image.
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Experiments This section includes the multiple experiments done throughout the project.
- Experiment #1: First heatmap between LoRa indoor gateway and MRK1310.
- Experiment #2: Heatmap between two LoRa nodes (Both MRK1310).
- Experiment #3: Heatmap between two LoRa nodes (Both Lopy4), contains a geolocated dataset.
- Experiment #4: Contains a topographic study using QGIS, and a detailed deployment plan for LoRa nodes in the QEOP.
- Experiment #5: Basic Pymesh experiments.
- Experiment #6: Basic MQTT experiments.
Hardware:
- Lopy4: a dev kit based on ESP32 that has LoRa, Wifi, Sigfox and Bluetooth communication capability.
- SHT-30: a weatherproof humidity and temperature sensor.
- Gravity SEN0562: a weatherproof light sensor.
- DC Solar charger (BQ24074)
- Solar panel: 1 Watt, 10x80 cm.
- 2000 mA 3.7v battery
Software:
All the software applications are packed into one Docker image that you can use easily.
MIT License
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The above copyright notice and this permission notice shall be included in all
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SOFTWARE.
This documentation describes Open Hardware and is licensed under the CERN OHL v. 1.2.
You may redistribute and modify this documentation under the terms of the CERN OHL v.1.2. (http://ohwr.org/cernohl). This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN OHL v.1.2 for applicable conditions