Their are many lawn lamps that light at night well a solar cell system that works with some of the newer battery tech charging circuit and all would be very interesting for a open source project. Then it could even be added to the avrduno. 
Their are many lawn lamps that light at night well a solar cell system that works with some of the newer battery tech charging circuit and all would be very interesting for a open source project. Then it could even be added to the avrduno.