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Light-Activated Trigger Kit, unassembled

LAT

 


This kit has been discontinued. Some of the individual parts are still available. See Components in the product menu.


 

This trigger operates the reverse of our photogate kits. The output of the light-activated trigger is switched on when light shines on the detector. A laser pointer works particularly well as a light source, since the phototransistor is sensitive to visible light and has a narrow angle of view. You can also use this circuit to trigger a slave flash in response to the discharge of a master flash. The circuit is powered with a 9-V battery or AC/DC adapter (not included).

 

Cords to connect the breadboard circuit to a flash unit or camera are not included.

The kit includes 3 feet of 2-conductor cable that can be used to extend the phototransistor away from the breadboard.

 

An electronic delay unit may be used with the LAT to achieve timing synchronization. 

 


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