Difference between revisions of "Component: Photo Transistor (Light)"
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Revision as of 14:13, 20 January 2023
| Author | Matrix Ltd |
| Version | 1.0 |
| Category | Light |
Contents
Photo Transistor component
Uses InfraRed light to detect if an external object is near to the sensor. Returns a digital signal which can represent detected or not detected states. Useful for applications like line following, punched card based data systems and robotics.
Component Source Code
Please click here for the component source code: FC_Comp_Source_PhotoTransistor.fcfx
Detailed description
No detailed description exists yet for this component
Examples
A basic example which moves an object on the panel. When the object is in range of the sensor the sensor output goes high, otherwise the sensor output goes low.
PhotoTransistorDemo
Macro reference
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SampleSensor |
| Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. | |
 - BYTE
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Return |
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Initialise |
| Configures the I/O ready for the sensor to be sampled. | |
 - VOID
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Return |
Property reference
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Properties |
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Emitter Type |
| Decides if the emitter needs to be switched on and off during sampling | |
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Connections |
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Sense Pin |
| Pin connected to the sensor element of the photo transistor | |
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Simulation |
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Sensor Range |
| Simulation range used to determine if the sense pin is active or not. | |
