Quantity   Component name
1 × Android Phone Currently only 2.0 to 4.2 phones are supported
1 × Electromechanical Controller Heavy duty, open design controller that is compatible with the Pololu VNHSP board. Partially relay based and proven reliable over a year of use
1 × Parallax Propeller NAVCOM board Propeller chip that emulates ADB interface. Tested over 4 years in nautical environment.
1 × Nautical grade solar panel controller Fault tolerant solar panel controller designed for eTrac Engineering, just got permission to open source it