Difference between revisions of "Component: Ambient Light (BH1750FVI) (Light)"
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==Ambient Light component== | ==Ambient Light component== | ||
A small PCB surface mount ambient light sensor with a I2C bus interface. Spectral responsibility is approximately human eye response. Wide range and High resolution. ( 1 - 65535 lx ) | A small PCB surface mount ambient light sensor with a I2C bus interface. Spectral responsibility is approximately human eye response. Wide range and High resolution. ( 1 - 65535 lx ) | ||
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+ | ==Component Source Code== | ||
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+ | Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_AmbientLight_BH1750FVI.fcfx FC_Comp_Source_AmbientLight_BH1750FVI.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_AmbientLight_BH1750FVI.fcfx FC_Comp_Source_AmbientLight_BH1750FVI.fcfx] | ||
==Detailed description== | ==Detailed description== | ||
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==Examples== | ==Examples== | ||
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''<span style="color:red;">No additional examples</span>'' | ''<span style="color:red;">No additional examples</span>'' | ||
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+ | ==Macro reference== | ||
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+ | ===ChangeMeasurementTime=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| 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" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ChangeMeasurementTime''' |
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− | | colspan="2" | | + | | colspan="2" | Adjusts the measurement result to counteract influence of the optical window. |
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| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
− | | width="90%" | | + | | width="90%" | Sensitvity |
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− | | colspan="2" | | + | | colspan="2" | Range: 31-254 / Default: 69 |
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
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+ | ===ContinuousMeasurement=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ContinuousMeasurement''' |
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− | | colspan="2" | Powers up and starts | + | | colspan="2" | Powers up and starts the continous measurement mode. Delays in between measurements readings must be provided by the user, |
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| colspan="2" | 0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) | | colspan="2" | 0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) | ||
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− | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9- | + | | 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'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
+ | ===Initialise=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise''' |
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− | | colspan="2" | | + | | colspan="2" | Stes up the I2C bus and initialises the termperature sensor ready for use. |
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+ | ===OneTimeMeasurement=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''OneTimeMeasurement''' |
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− | | colspan="2" | | + | | colspan="2" | Powers up and starts a single measurement before returning to power down mode. Waits for the measurement to be ready and returns the value. |
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| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
− | | width="90%" | | + | | width="90%" | Resolution |
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− | | colspan="2" | | + | | colspan="2" | 0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) |
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− | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9- | + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT |
| width="90%" style="border-top: 2px solid #000;" | ''Return'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
+ | ===PowerDown=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PowerDown''' |
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− | | colspan="2" | | + | | colspan="2" | Power Down the Device |
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− | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9- | + | | 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'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
+ | ===ReadMeasurement=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadMeasurement''' |
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− | | colspan="2" | | + | | colspan="2" | Reads data from the Light Sensor as a 16-bit value. |
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− | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9- | + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT |
| width="90%" style="border-top: 2px solid #000;" | ''Return'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
+ | ===ResetMeasurement=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
− | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ResetMeasurement''' |
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− | | colspan="2" | | + | | colspan="2" | Resets the device measurement register, Must be in the powered up state to do this. |
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| width="90%" style="border-top: 2px solid #000;" | ''Return'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]] | ||
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | ||
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+ | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
+ | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Properties | ||
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| colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | | colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | ||
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− | + | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | |
− | + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation | |
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− | | width="10%" align="center" style="background-color:# | ||
− | | width="90%" style="background-color:# | ||
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Latest revision as of 13:08, 7 February 2023
Author | Matrix TSL |
Version | 1.0 |
Category | Light |
Contents
Ambient Light component
A small PCB surface mount ambient light sensor with a I2C bus interface. Spectral responsibility is approximately human eye response. Wide range and High resolution. ( 1 - 65535 lx )
Component Source Code
Please click here to download the component source project: FC_Comp_Source_AmbientLight_BH1750FVI.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_AmbientLight_BH1750FVI.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
ChangeMeasurementTime
![]() |
ChangeMeasurementTime |
Adjusts the measurement result to counteract influence of the optical window. | |
![]() |
Sensitvity |
Range: 31-254 / Default: 69 | |
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Return |
ContinuousMeasurement
Initialise
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Initialise |
Stes up the I2C bus and initialises the termperature sensor ready for use. | |
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Return |
OneTimeMeasurement
PowerDown
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PowerDown |
Power Down the Device | |
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Return |
ReadMeasurement
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ReadMeasurement |
Reads data from the Light Sensor as a 16-bit value. | |
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Return |
ResetMeasurement
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ResetMeasurement |
Resets the device measurement register, Must be in the powered up state to do this. | |
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Return |