File:Infrared-photogate-circuit-diagrams.png: Difference between revisions
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Symbolic diagrams for active-low and active-high photo-gates, used for marking the passage of objects between a light source and a phototransistor sensitive to that source. An NPN transistor is used to provide a clean signal for micro-controllers. |
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Latest revision as of 10:13, 9 May 2014
Symbolic diagrams for active-low and active-high photo-gates, used for marking the passage of objects between a light source and a phototransistor sensitive to that source. An NPN transistor is used to provide a clean signal for micro-controllers.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:13, 9 May 2014 |  | 400 × 400 (7 KB) | Shawn (talk | contribs) | Symbolic diagrams for active-low and active-high photo-gates, used for marking the passage of objects between a light source and a phototransistor sensitive to that source. An NPN transistor is used to provide a clean signal for micro-controllers. |
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