Difference between revisions of "Component: Photo Transistor (Light)"

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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.
  
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==Component Source Code==
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==Detailed description==
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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]
 
  
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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]
 
  
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==Detailed description==
 
  
  
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==Examples==
 
==Examples==
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{{Fcfile|PhotoTransistorDemo.fcfx|PhotoTransistorDemo}}
 
{{Fcfile|PhotoTransistorDemo.fcfx|PhotoTransistorDemo}}
  
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==Macro reference==
 
  
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
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|-
 
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSensor'''
 
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|-
 
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| colspan="2" | Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. 
 
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|-
 
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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|}
 
  
  
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
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|-
 
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
 
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|-
 
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| colspan="2" | Configures the I/O ready for the sensor to be sampled. 
 
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|-
 
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|-
 
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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|}
 
  
  
  
  
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==Property reference==
 
  
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
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|-
 
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
 
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|-
 
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|-
 
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| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
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| width="90%" | Emitter Type
 
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|-
 
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| colspan="2" | Decides if the emitter needs to be switched on and off during sampling 
 
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|-
 
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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
 
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
 
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|-
 
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|-
 
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| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 
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| width="90%" | Sense Pin
 
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|-
 
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| colspan="2" | Pin connected to the sensor element of the photo transistor 
 
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|-
 
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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
 
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
 
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|-
 
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|-
 
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| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
 
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| width="90%" | Sensor Range
 
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|-
 
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| colspan="2" | Simulation range used to determine if the sense pin is active or not. 
 
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|}==Macro reference==
 
  
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{| 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
 
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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|}
 
  
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==Macro reference==
  
 +
===Initialise===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
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===SampleSensor===
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==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;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
Line 200: Line 107:
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
|}
 
|}
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−
 
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{| 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
 
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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|}
 
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| 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 14:13, 22 October 2025

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. FC6 Icon.png PhotoTransistorDemo






Macro reference

Initialise

Fc9-comp-macro.png Initialise
Configures the I/O ready for the sensor to be sampled. 
Fc9-void-icon.png - VOID Return


SampleSensor

Fc9-comp-macro.png SampleSensor
Samples the sensor and automatically controls the emitter pin if enabled. Returns the state of the sensor pin. 
Fc9-u8-icon.png - BYTE Return


Property reference

Fc9-prop-icon.png Properties
Fc9-type-16-icon.png Emitter Type
Decides if the emitter needs to be switched on and off during sampling 
Fc9-conn-icon.png Connections
Fc9-type-5-icon.png Sense Pin
Pin connected to the sensor element of the photo transistor 
Fc9-conn-icon.png Simulation
Fc9-type-21-icon.png 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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