Component: Photo Transistor 2D (Light): Difference between revisions

Latest revision as of 14:36, 13 July 2026

Author	Matrix Ltd
Version	1.0
Category	Light

Photo Transistor 2D 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 to download the component source project: FC_Comp_Source_PhotoTransistor_2d.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_PhotoTransistor_2d.fcfx

Detailed description

No detailed description exists yet for this component

Examples

Basic example which moves a object on the simulation panel and provides the analogue proximity reading based on the distance from the object from the sensor. PhotoReflectorDemo

Macro reference

Initialise

	Initialise
Configures the I/O ready for the sensor to be sampled.
- VOID	Return

SampleSensor

	SampleSensor
Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin.
- BYTE	Return

Property reference

	Properties
	Emitter Type
Decides if the emitter needs to be switched on and off during sampling
	Connections
	Sense Pin
Pin connected to the sensor element of the photo transistor

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 | colspan="2" | Decides if the emitter needs to be switched on and off during sampling&nbsp;
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-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
 | width="90%" class="mtx-class-propfolder" | Connections
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SteveT (talk | contribs)