1. W

    Need help with idea of “common ground”/ review of my simple circuit

    Hello all, Could someone please help me with the below? I am essentially making a device that can raise/ lower my rf projector screen from the 12v trigger port on my projector. The idea is coming from this GitHub. https://github.com/ndoty/rf-projector-screen There are 3 pieces of hardware...
  2. C

    Implementing some kind of motion sensor in place of NO/NC Push Button.

    Hi everyone! Firstly, I apologise if this is the wrong place to post! Over the last couple of years I've used a Weigl ProCommander PHX to control some event spaces from a series of push buttons. These have simply been wired from the PS+ to a terminal of a NO/NC push button and the other...