The HiViz WorkShop
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Light-Activated Trigger Kit, unassembled
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.
A 9-V battery or AC/DC Adapter is required to power the circuit.
A cord is required to trigger a flash unit. Click here for trigger cord options.
The kit includes an additional 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. You receive a $1.00 discount when purchasing a LAT trigger with a delay unit.
When purchasing a LAT kit with a breadboard, there is a $1.00 savings over buying a kit and breadboard separately.