Work in progress of battery tube design with voltage regular.
Design consisting of clear tube (for leak indication) using 4 cells and voltage regular for motors.
Non regulated power direct connect to Beagle Bone Cape. Heat sink required.
Impact-Resistant Polycarbonate Round Tube 1-1/4" OD, 1-1/8" ID, Clear http://www.mcmaster.com/#8585K63
DC to DC converter