trigger

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  1. L

    Digital Scope trigger question with very slow (Single) sweep speed

    I recently purchased a Rigol DHO814 digital scope and still learning how to use it. Compared to the analog scopes I used 30 years ago it seems to have a much larger selection of triggering conditions (and math functions). The sweep speed can go all the way down to (or is it up to?) 500...
  2. W

    I'm looking for a circuit to make a noise after being triggered by either impact or a magnet.

    Hi all, Not sure this is the right place but Im looking for some expertise/help in understanding design of a simple circuit. Im looking to make something that would make a noise after being triggered by either impact or a magnet. Looking for this to be very very small also. Smaller than a...
  3. conandrum

    Device (triggered by a switch) remotely activates & deactivates a light?

    Hi all, hi Ya’akov. My previous (relay mute) project is running nicely for 4 months now. Time for a new BMW project. This time, I want to add extra LED lights in the trunk. I thought there could be an easier way, instead of tapping into the trunk lighting switch and pulling wires into the...
  4. 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...
  5. 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...
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