ProMicro
:warning: PCB currently not working! most likely some issue in the HF circuit.
ProMicro_LORA 
This module can be mounted to an Arduino Pro Mini, Arduino Nano, Sparkfun Pro Micro, or any other pincompatible MCU running with 3.3V. Manufacturing this PCB with 0.8mm thickness allows to mount a GPS module onto its back.
Documentation 
All files can be found on Github.
Schematic
BoM
Hardware 
Layout
Gerbers
can be found within the Github repository.
