Digital 16bit Serial Output Type Ambient Light Sensor IC

Specifications

1) Illuminance to Digital Converter 2) Wide range and High resolution. ( 1 - 65535 lx ) 3) Low Current by power down function 4) 50Hz / 60Hz Light noise reject-function 5) I2C bus Interface ( f / s Mode Support ) 6) No need any external parts 7) It is possible to select 2 type of I2C slave-address. 8) It is possible to detect min. 0.11 lx, max. 100000 lx by using this function.

Setup

Supply voltage : prefer to use 3.3 V to communicate with , Not 5V TTL Logic

I2C Protocol is used to communicate with Microcontroller , with clock SCL Frequency 400KHz .

Measurement mode: this sensor has 3 Measurement mode :

1) H-resolution with Sensitivity 0.5 lux 2) H-Resolution with Sensitivity 1 lux. 3) L-Resolution with Sensitivity 4 lux.

I2C address == 0x23 or 0x5C

demo code

https://github.com/Genotronex/BH1750FVI_Master

Table of Contents

https://www.electrodragon.com