spektrum DX3 DSM & EMaxx

[Serum]

Well, it's based on a make contact.. Sounds to me, like the transmittor is constantly sending a signal to the receiver that tells him to stay in that possition.. Which is rather weird in my ears..

A switch would to for sure. just make sure to check if the switch that's in the design now has got two or three poles.

You just need to solder a bit, and perhaps use a drill, but it's managable..