Tested in Pycom micropython variant for TTGO T-Beam @ https://github.com/nunomcruz/pycom-micropython-sigfox
Inspired by:
- Korving-F @ https://github.com/Korving-F/ublox/
- Original arduino sketch by LilyGO @ https://github.com/LilyGO/TTGO-T-Beam/tree/master/GPS-T22_v1.0-20190612
- Kizniche for his advice on @ kizniche/ttgo-tbeam-ttn-tracker#20
- SparkFun Ublox Arduino Library @ https://github.com/sparkfun/SparkFun_Ublox_Arduino_Library
- AXP202 lib by lewsxhe @ https://github.com/lewisxhe/AXP202_PythonLibrary
For T22_v1.0 20190612 and the T22_v1.1 20191212 and T22_v1.1 2021