Instead, I used the Arduino strictly as an I²C-to-analog converter ... The new design consolidates everything onto a single PCB—including the ESP32-S3, LoRa module, GPS, solar charging circuit, and ...

Between 50 and 1,000 kilometers above our heads is the ionosphere, a layer of Earth's upper atmosphere consisting of charged ...

The user is also able to assign a static location directly through the command line. The user specifies the GPS satellite constellation through a GPS broadcast ephemeris file. The daily GPS broadcast ...