Balloon 3 Connector Locations

E1 build, top side

http://www.balloonboard.org/hardware/321/L3-connector-diagram-E1-topside.jpg

E1 build, bottom side

http://www.balloonboard.org/hardware/321/L3-connector-diagram-E1-bottomside.jpg Connector pinouts can be found at http://www.balloonboard.org/hardware/321/balloon3_connector_pinouts_E1.pdf