Description:
This is a BH1750 light intensity sensor breakout board with a 16 bit AD converter built-in which can directly output a digital signal, there is no need for complicated calculations. This is more accurate and easier to use the version of the simple LDR which only outputs a voltage that needs to be calculated in order to obtain meaningful data. With the BH1750 Light Sensor intensity can be directly measured by the LUX Meter, without needing to make calculations. The data which is output by this sensor is directly output in Lux (Lx). When objects which are lighted in homogeneous get the 1 lx luminous flux in one square meter, their light intensity is 1lx. Sometimes to take good advantage of the illuminant, you can add a reflector to the illuminant. So that there will be a more luminous flux in some directions and it can increase the illumination of the target surface.
BH1750 ambient light sensor can be interfaced with Arduino through I2C bus pins such as SDA and SCL that are A4 and A5 pins of Arduino Uno.
Application :
Light intensity measurement in:
Car headlights
Flash lights
Digital cameras
Photography lights
Setting the backlight of the mobile keyboard
Features:
ROHM Original BH1750FVI chip
Power Supply: 3-5V
Size: 15mm×33mm
Light Intensity Range: LX 0-65535
Sensor Built-in 16bit AD Converter
Minimum IR Radiations Effect
Direct Digital Output (omit complex computation, omit calibration)
Environmental Light Source Spectral characteristics of the visual sensitivity
Determination of high precision of 1 lux for a wide range of brightness
Standard IIC communication protocol The internal module of the module includes the
communication level conversion and the 5V is directly connected with the IO microcontroller
STC 51 C language test code
C C8051F340 language test code
M16 C AVR language test code
Ambient light sensor IC on easy to the interface module
16Bit Resolution
Direct LUX Output
I2C Interface
Pins Description:
GND: Pin1 is a ground pin.
ADD: It sets the address of the I2C interface. Connect this pin either to the ground or Vcc after selecting the address via I2C.
SDA: Serial Data Address pin transfers data through the I2C bus.
SCL: It is a serial clock pin for communication through the I2C interface.
Vcc: Apply 3.3V-5V at this pin.