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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| + | SENSORS | ||
==Detailed description== | ==Detailed description== | ||
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==Examples== | ==Examples== | ||
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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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Latest revision as of 17:22, 9 November 2022
| 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 Pack
SENSORS
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Downloadable macro reference
|
ContinuousMeasurement |
| Powers up and starts the continous measurement mode. Delays in between measurements readings must be provided by the user, | |
 - BYTE
|
Resolution |
| 0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) | |
 - VOID
|
Return |
|
|
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. | |
| - BYTE
|
Resolution |
| 0=1lx (120ms) / 1=0.5lx (120ms) / 2 = 4lx (16ms) | |
 - UINT
|
Return |
|
|
PowerDown |
| Power Down the Device | |
| - VOID
|
Return |
|
|
ChangeMeasurementTime |
| Adjusts the measurement result to counteract influence of the optical window. | |
| - BYTE
|
Sensitvity |
| Range: 31-254 / Default: 69 | |
| - VOID
|
Return |
|
|
ReadMeasurement |
| Reads data from the Light Sensor as a 16-bit value. | |
| - UINT
|
Return |
|
|
ResetMeasurement |
| Resets the device measurement register, Must be in the powered up state to do this. | |
| - VOID
|
Return |
|
|
Initialise |
| Stes up the I2C bus and initialises the termperature sensor ready for use. | |
| - VOID
|
Return |
Property reference
|
Properties |
|
I2C Properties |
|
Slave Address |
|
|
Channel |
| Channel selection | |
|
SDA |
| Pin used for SDA (data signal) | |
|
|
SCL |
| Pin used for SCL (clock signal) | |
|
|
DVI Pin |
| Pin used to reset the device. | |
|
|
Baud Select |
| Baud rate option selector | |
|
Baud Rate |
| Baud rate to be used | |
|
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. | |
|
|
Simulation |
|
|
Simulate Comms |
| Allows the simulation data to come from the panel GUI or relayed via an injector component. | |
