Lightning-Activated Camera Shutter Trigger

Lightning-Activated Camera Shutter Trigger

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.

It uses a photo-darlington sensor that looks through the viewfinder, and triggers the camera when the light is bright enough.

Canon EOS SLR Wired Shutter Release (Work in Progress)

Ok, just starting out, but I'm going to make a shutter control as described here: "Super Mini Switch - A RS60-E3 Replacement".

Parts I have so far:

From a broken Casio calculator: