microReticulumTbeam/exercises/23_magnetometer/design.md

Design for Exercise 23 Magnetometer

directory exercises/23_magnetometer contains code which will take calibration readings and store the calibration samples on the SD card drive as file magnet_cal_YYYYMMDD_HHMISS.log. The log should have a provenance header starting with hash tags such as: # this file name: # magnetometer mode: # sample rate: # Software name & build date: # GPS coordinates #

Location services via GPS Disciplined time with update if 24 hours since last disciplining. See Excercise 11 Web services, including download and erase shall be included.