> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Light Sensor-BH1750

**Type:** Product page · **SKU:** SEN0097 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/light-sensor-bh1750.html ([markdown](https://core-electronics.com.au/light-sensor-bh1750.html.md))

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.

## Pricing

- **Price:** $8.25 (inc GST) — $7.50 AUD, exc GST
- **Quantity discounts:** 6+ $7.13 (exc GST) · 12+ $6.83 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 3 today, and up to 350 more in 8–12 days.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=SEN0097:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
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- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

This is a BH1750 light intensity sensor breakout board with a 16-bit ADC built-in which can directly output a digital signal, there is no need for complicated calculations. This is more accurate and easier to use than a simple photoresistor 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 scale, without needing to make calculations. If the sensitivity of this sensor (1+ lux) is not enough, consider adding a reflector or using a different sensor breakout.

 Some typical light levels, to get you an idea of the situations this sensor will be useful.

- Night: 0.001--0.02;
- moonlightnight:0.02--0.3;
- cloudy indoor:5--50;
- cloudy outdoor:50--500;
- Sunny indoor:100--1000;
- under the sunlight in summer afternoon: about 10\*6 power;
- light needed to read:50--60;
- home video standard intensity of illumination:1400.
 
Applications

- This sensor is ideal to measure the light intensity of:
- car headlights
- flashlights
- photographic lights
- Portable game machine
- Digital cameras
- adjusting LCD and Keypad backlight power of a Mobile phone
 
Specification

- power supply voltage: +3 to 5Vdc
- Interface: I2C
- Wide range and High resolution. ( 1 - 65535 lx )
- It is possible to select 2 types of I2C slave address.
- Small measurement variation (+/- 20%)
- Size: 0.85\*0.63\*0.13"(21\*16\*3.3mm)
 
Documents

- Manual (wiki)
- [Schematics](https://core-electronics.com.au/attachments/localcontent/BH1750SCH_10162632145.pdf)
- [BH1750FVI chip datasheet](https://core-electronics.com.au/attachments/localcontent/BH1750FVI_44404d45419.pdf)
- [Arduino Sample code](https://core-electronics.com.au/attachments/localcontent/BH1750_Sample_4516036f36d.rar)
 
Shipping List

- BH1750 Light Sensor (1 unit)
- 5 pin male header (1 unit)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/s/dscf6226-1.jpg)