Originally Posted by
tbrymer
I can only tell you that you can use the old tekin hotwire with the new Gen2 esc if you use an OTG cable. With this in mind, I'm guessing that the new Gen2 hotwire will work with both the old and new ESCs. This is only a guess. I believe that OTG just added an extra pin.
I've used the older Hotwire with the Gen 2 RS and the Spec version with no issues. I believe the newer Hotwire has some more functions that the older one didn't. (I could be wrong)