Solve Lora 2 before

Based on UCA board, at Ph0wn only ;) Come and grab one board at the desk, flag if you can ;) More info on the board @ https://github.com/FabienFerrero/UCA_Board/ The Arduino board is Arduino Pro Mini ATMega328p 3.3V 8MHz

One node is hidden in the building. Find it to get the flag!

Author: Fabien Ferrero