A simple step-by-step guide for waterproofing servos.
Note* This resource is currently being revised. I would recommend waiting for the revised version. This version has some flaws. If you urgently need to waterproof a servo before the revised edition is posted, PM me.
How To - Waterproofing Servos 2016-10-31
Step-by-step guide showing you how to waterproof your servos.