Component: Ambient Light (BH1750FVI) (Light)

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Author Matrix TSL
Version 1.0
Category Light


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

Fc9-comp-macro.png ChangeMeasurementTime
Adjusts the measurement result to counteract influence of the optical window. 
Fc9-u8-icon.png - BYTE Sensitvity
Range: 31-254 / Default: 69 
Fc9-void-icon.png - VOID Return


ContinuousMeasurement

Fc9-comp-macro.png ContinuousMeasurement
Powers up and starts the continous measurement mode. Delays in between measurements readings must be provided by the user, 
Fc9-u8-icon.png - BYTE Resolution
0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) 
Fc9-void-icon.png - VOID Return


Initialise

Fc9-comp-macro.png Initialise
Stes up the I2C bus and initialises the termperature sensor ready for use. 
Fc9-void-icon.png - VOID Return


OneTimeMeasurement

Fc9-comp-macro.png OneTimeMeasurement
Powers up and starts a single measurement before returning to power down mode. Waits for the measurement to be ready and returns the value. 
Fc9-u8-icon.png - BYTE Resolution
0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) 
Fc9-u16-icon.png - UINT Return


PowerDown

Fc9-comp-macro.png PowerDown
Power Down the Device 
Fc9-void-icon.png - VOID Return


ReadMeasurement

Fc9-comp-macro.png ReadMeasurement
Reads data from the Light Sensor as a 16-bit value. 
Fc9-u16-icon.png - UINT Return


ResetMeasurement

Fc9-comp-macro.png ResetMeasurement
Resets the device measurement register, Must be in the powered up state to do this. 
Fc9-void-icon.png - VOID Return


Property reference

Fc9-prop-icon.png Properties
Fc9-conn-icon.png I2C Properties
Fc9-type-16-icon.png Slave Address
 
Fc9-type-16-icon.png Channel
Channel selection 
Fc9-type-5-icon.png SDA
Pin used for SDA (data signal) 
Fc9-type-5-icon.png SCL
Pin used for SCL (clock signal) 
Fc9-type-5-icon.png DVI Pin
Pin used to reset the device. 
Fc9-type-16-icon.png Baud Select
Baud rate option selector 
Fc9-type-14-icon.png Baud Rate
Baud rate to be used 
Fc9-type-7-icon.png Stop Delay
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.  
Fc9-conn-icon.png Simulation
Fc9-type-7-icon.png Simulate Comms
Allows the simulation data to come from the panel GUI or relayed via an injector component.