Trolling motor - PWM - throttle - speed controller
thingiverse
This throttle can accommodate only potentiometer and back/ forward switch. You will still have to use different case for the main circuit board. You will need a cable gland to put on side and cable with 8 wires to wire everything. It's a nice and clean set up, compact and waterproof. To make it 100% waterproof, make sure that you use silicon for assembly. You can use M6 x 20mm screws to assemble it. Also you will need a star adapter to attach it down the bottom to be able to attach it to the starport. The throttle in the image was prototype, the one shared is way better.
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