What can you do on a rainy evening when you go to your hackerspace?
Take a NoteRF V2 PCB, a GPS, a battery, and you can make a LoRaWAN GPS tracker!

The new version of my NoteRF project, its features are:

• New radio footprint for RFM69 (FSK/OOK) or RFM95: LoRaWAN !
• Mosfet to switch off sensors or control actuators
• Edge connector for external antenna
• Mounting slot for 3 mm screws
• Fits on a breadboard
• 3.3V regulator

This project is to try LoRaWAN networks, I designed a simple Arduino shield with RFM95w: LoRa modules from HopeRF.

Following are some notes about ST application notes I read to design an STM32L151 board.