M5Stack Dlight Unit - Ambient Light Sensor (BH1750FVI-TR)

The M5Stack DLight Unit is a Digital Ambient Light Sensor that adopts the BH1750FVI sensor (I2C interface), integrates an 16-bit ADC, supports wide-range LUX and high resolution (1-65535 LX).

Compact in size and low power consumption. Suitable for various light-sensing applications.

Product Features

• Support I2C interface (addr: 0x23)
• Illumination digital conversion
• Supports light source variations (incandescent, fluorescent, halogen, white LED, sunlight etc)
• Wide Range LUX (1-65535 lx)
• HY2.0-4P interface

Package Contents

• 1x DLight Unit

Applications

• Smart Factory
• Home Automation
• Ambient light Sensing Scenario

Specification

Specifications	Parameters
Sensor Model	BH1750FVI
Illumination detection range	1-65535 lx
Communication interface	I2C interface (addr: 0x23)
Typical peak sensitivity wavelength	560nm
Working current	< 5V@143uA
AD conversion depth	16bit
Net weight	4.8g
Gross weight	10g
Product Size	32 * 24 * 8mm
Package Size	93 * 138mm

Resources

• All product documentation
• BH1750FVI datasheet
• Schematic
• Examples:
  • BH1750FVI Library
  • DLIGHT GET LUX with M5Core

Pinout

M5Core (PORT A)	G21	G22	5V	GND
DLight Unit	SDA	SCL	VCC	GND