In this video I rework boards used for reverse polarity testing to be used as test devices on the RS-485 bus.

RZR Mini Multiplexing Part 1. This is a multipart series of design, prototype and build of a small multiplexing system for UTV’s. Initially this will replace lighting and winch relays with solid state control. I’ll be installing this on my 2016 Polaris RZR S 1000.