LED Circuit Diagram – LED strobe has independent delay and duration

High-brightness LEDs, with independent delay and duration, find use in a visual-inspection application.

This circuit is not complex, but it saved the day in an application involving visual inspection of the spray pattern of fuel injectors for quality and consistency. In this application, xenon strobe lights did not work because they take up too much space, and the light they emit is too intense.

It shows the main-clock input; the delay and duration potentiometers, P₁ and P₂; and the HB-LED output.

Read the associated Circuit Design Idea – LED strobe has independent delay and duration

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