How does a speedstack timer work?

Discussion in 'General Electronics Chat' started by Toby Liew, Jul 17, 2017.

  1. Toby Liew

    Toby Liew

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    Hi there,

    I'm new to the forum and would like to understand how exactly a sensor can be triggered to start and stop a timer and turn lights on and off, whilst entering and leaving a proximity to the sensor. For example speedstack timers. As you can tell, I don't understand this technology very well so any help would be appreciated!

    Thanks, Toby
     

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    Toby Liew, Jul 17, 2017
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  2. Toby Liew

    kellys_eye

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    Depends on the type of signal you want to activate the timer with - sound? Light? Pressure? Heat? etc etc.

    There are sensors for all applications. The basic idea is to use the sensor to convert the required signal into an electrical source and then, by means of signal processing (could be as simple as rectification or amplification etc) generate the signal required to activate the start/stop part of the timer.

    Some timers can be activated using an external pulse, some need mechanical activation. Whatever.... it's usually possible to do 'anything' to 'anything' using electronics!
     
    kellys_eye, Jul 17, 2017
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