Daily Image
18-09-2024
HTSM Students built a LoRaWAN based Magnetometer
| Submitter: | Juergen Morawietz |
| Description: | It has become customary for the Smart Frontend Group to have a group of Master's students from the RuG here in the summer. These students usually come from faculties that have nothing to do with astronomy or electrical engineering. This year's group was given the assignment to build a 3-axis magnetometer to measure fluctuations in the Earth's magnetic field in order to predict the occurrence of auroras. The data could complement LOFAR's solar observations when placed near LOFAR fields. Therefore, the measurement data should be transmitted via low-power LoRaWAN technology (868 MHz) and a station should operate autonomously in the field. The result of the work with the proud makers, Daniel, Dimitris, Kantert and Zoro (not shown here) can be seen in the picture below. The tube with three fluxgate magnetometers is inserted about one meter deep into the ground. Inside the box is an Arduino with LoRaWAN capabilities, a LiPo battery and a charging circuit to charge the battery via the small solar panel on the top. The data is sent to a LoRaWAN gateway (which can be up to 10 km away) and then via intranet to a server with an IoT stack stores it in an Influxdb database and visualises the sensor data in Grafana. |
| Copyright: | Not permitted to publish on Social Media platforms lile X, Facebook, Instagram, etc. |
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