Hardware
portable motion tracking without GPS
CortexM4 microcontroller @80MHz from STM32
tracked data is saved to a micro SD card
realtime data transfer over Bluetooth Low Energy
25h battery runtime
guidelines
specifically designed to work without GPS
with energy efficiency in mind
provide tracked data for later analysis
layout design
the layout design is responsible for the small form-factor and 2-layer PCB
round design
smart parts placement
compact
only the essential components are integrated
9-axis motion sensor
very low energy bluetooth module
micro SD card slot for saving tracked data
