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Component: Photo Transistor (Light): Difference between revisions

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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.
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==
==Detailed description==
 


Please click here to download the component source project: [https://www.flowcode.co.uk/wikicopy/componentsource/FC_Comp_Source_PhotoTransistor.fcfx FC_Comp_Source_PhotoTransistor.fcfx]


Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_PhotoTransistor.fcfx FC_Comp_Source_PhotoTransistor.fcfx]


==Detailed description==




Line 44: Line 42:


==Examples==
==Examples==




Line 67: Line 69:
{{Fcfile|PhotoTransistorDemo.fcfx|PhotoTransistorDemo}}
{{Fcfile|PhotoTransistorDemo.fcfx|PhotoTransistorDemo}}


==Macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSensor'''
|-
| colspan="2" | Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Configures the I/O ready for the sensor to be sampled. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}








==Property reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Emitter Type
|-
| colspan="2" | Decides if the emitter needs to be switched on and off during sampling 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
|-
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Sense Pin
|-
| colspan="2" | Pin connected to the sensor element of the photo transistor 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
|-
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Sensor Range
|-
| colspan="2" | Simulation range used to determine if the sense pin is active or not. 
|}==Macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSensor'''
|-
| colspan="2" | Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}


==Macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Initialise===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
| width="90%" class="mtx-class-macrohead" | '''Initialise'''
|-
|-
| colspan="2" | Configures the I/O ready for the sensor to be sampled. 
| colspan="2" | Configures the I/O ready for the sensor to be sampled. 
Line 155: Line 95:




 
===SampleSensor===
 
{| class="mtx-class-macrotable wikitable"
==Property reference==
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Emitter Type
|-
| colspan="2" | Decides if the emitter needs to be switched on and off during sampling 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
|-
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Sense Pin
|-
| colspan="2" | Pin connected to the sensor element of the photo transistor 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
|-
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Sensor Range
|-
| colspan="2" | Simulation range used to determine if the sense pin is active or not. 
|}==Macro reference==
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSensor'''
| width="90%" class="mtx-class-macrohead" | '''SampleSensor'''
|-
|-
| colspan="2" | Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. 
| colspan="2" | Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. 
Line 200: Line 107:
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Configures the I/O ready for the sensor to be sampled. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




==Property reference==
==Property reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
| width="90%" class="mtx-class-macrohead" | '''Properties'''  
|-
|-
|-
|-
Line 230: Line 122:
| colspan="2" | Decides if the emitter needs to be switched on and off during sampling 
| colspan="2" | Decides if the emitter needs to be switched on and off during sampling 
|-
|-
| 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%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
| width="90%" class="mtx-class-propfolder" | Connections
|-
|-
|-
|-
Line 239: Line 131:
| colspan="2" | Pin connected to the sensor element of the photo transistor 
| colspan="2" | Pin connected to the sensor element of the photo transistor 
|-
|-
| 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%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
| width="90%" class="mtx-class-propfolder" | Simulation
|-
|-
|-
|-
Line 248: Line 140:
| colspan="2" | Simulation range used to determine if the sense pin is active or not. 
| colspan="2" | Simulation range used to determine if the sense pin is active or not. 
|}
|}
==Component Source Code==
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_PhotoTransistor.fcfx FC_Comp_Source_PhotoTransistor.fcfx]
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_PhotoTransistor.fcfx FC_Comp_Source_PhotoTransistor.fcfx]

Latest revision as of 14:37, 13 July 2026

Author Matrix Ltd
Version 1.0
Category Light


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.

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

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 
Simulation
Sensor Range
Simulation range used to determine if the sense pin is active or not. 

Component Source Code

Please click here to download the component source project: FC_Comp_Source_PhotoTransistor.fcfx

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

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