Custom golf cart controller system using open source

Job ID: 37522329

Budget: $250 – $750 USD

Pull together a power control system that utilizes an open source microcontroller platform. Looking for the following capabilities:

Runs a 36v 2 or 3 hp motor
Current moderator to reduce output to max 750 watts at motor and adjust power band accordingly.
Display that can cycle between watts output, current voltage, and speed
Speed controller can be set and maintain low speeds, primarily 5 10 and 20 mph
Adaptable to utilize either lead acid or lithium batteries