Questions tagged [trigger]

A type of oscilloscope sweep in which a trigger, or waveform characteristics matching a user-specified condition, will initiate the sweep. A trigger can also be an event, such as a pulse, which causes a circuit to begin performing some action.

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Breakaway Glass Triggering

I need to electrically "sense" when a brick is thrown through a vertically-oriented pane of breakaway glass, breaking it. My first thought was to paint a thin strip of clear conductive ink/paint/gel across the back of the glass, then treat it as a…
Joe Mac
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Disconnect circuit after primary circuit detects high volume

I would like to build a circuit that detects high volume (through a microphone or something) and when it does, it would disconnect another circuit from its power source. I don't know exactly how high the volume threshold should be yet. It's a small…
Someonation
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To trigger ON & OFF of an emergency light with external signal

I need to trigger ON an emergency lamp with a (1st signal) signal, and the lamp will be lighted up until the next (2nd signal) signal is received then the emergency lamp will go OFF. How could I do this? Thanks
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Sending / Receiving trigger signal wirelessly or through Ethernet

Simple engineer with no background in electronics/electrical engineering here. I have 2 instruments (emitter and detector) that are synchronized by a Trigger signal. This signal is sent via BNC cable. I want to put the emitter in a quite far…