Lightning Activated Camera Shutter Trigger

Posted on Mar 27, 2013

This circuit is used to trigger a camera`s electronic shutter circuit when a flash of lightning is present. This circuit would also work for photographing fireworks displays or other events involving flashes of light.

Lightning Activated Camera Shutter Trigger
Click here to download the full size of the above Circuit.

In a nutshell, the photo darlington converts light pulses into electrical pulses, the first LM324 section amplifies the electrical pulses, the second LM324 section is a high pass filter that only passes quick changes (lightning). The third LM324 stage is

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