∏ NODE

DIYSchema

Solar Charge control

Ultra Cheap Solar Chargeur (not recommended)
http://www.nutzzz.com/entry/3/chargeur-solaire-de-voyage
http://www.randonner-leger.org/forum/uploads/5021_chargeursolaire.jpg
http://www.coolcircuit.com/project/lipo_charger/lipo_charger.html
http://www.instructables.com/id/Solar-Powered-Raspberry-Pi/
battery switch
battery isolator
http://www.scoop.it/t/raspberry-pi/p/4014586296/2014/01/22/diy-smart-battery-isolator

FM TRANSMITTER

The Ultimate FM Transmitter
Simple FM transmitter
The simplest FM transmitter by Tetsuo Kogawa
The simplest F.M transmitter ever made!
Another Simple FM transmitter

FM RECEIVER

FM receiver page

ANTENNA

Make an FM Antenna