Klein Bot

Kleins, robots, electricity

Octowobble 2012

Obstacle sense

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Obstacle sense
IR LED and a large-area photodiode to sense a change in incoming light. This actually includes a first for me -- a design using transistors (successfully). The right transistor is a drain to turn the LEDs on when needed. The center transistor is switched by the photodiode to give a meaningful signal out.
Posted by Klein on October 23, 2012 Full Size| Slideshow

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