SeeedStudio Grove Sunlight Sensor


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SKU: 1147654
  1. Operating Voltage: 3.0-5.5V
  2. Working current: 3.5mA
  3. Wavelength: 280-950nm
  4. Battery: Exclude


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Category: Light/color Sensor
Tags: Sensor, grove light sensor

Summer is coming, want to make a UV detector to know the UV index when you are under the sun? Grove – Sunlight Sensor is recommended here.

Grove – Sunlight Sensor is a multi-channel digital light sensor, which has the ability to detect UV-light, visible light and infrared light.

This device is based on SI1145, a new sensor from SiLabs. The Si1145 is a low-power, reflectance-based, infrared proximity, UV index and ambient light sensor with I2C digital interface and programmable-event interrupt output. This device offers excellent performance under a wide dynamic range and a variety of light sources including direct sunlight.

Grove – Sunlight Sensor includes an onboard Grove connector, which helps you to connect it to your Arduino easily. You can use this device for making some projects which need to detect the light, such as a simple UV detector for your Raspberry Pi weather station, or a smart irrigation system using Arduino if you need to monitor the visible spectrum.

Getting Started with SeeedStudio Grove Sunlight Sensor

Hardware Overview:

  • Grove Connector – a 4pin interface, containing VCC, GND, SDA and SCL
  • LED – LED Driver pin
  • INT – a programmable interrupt output
  • SI1145 – IC


  1. Light detection
  2. smart irrigation system
  3. DIY weather station


  1. Multi-channel digital light sensor: can detect UV-light, visible light and infrared light
  2. Wide spectrum detection range: 280-950nm
  3. Easy to use: I2C Interface(7-bit), compatible with Grove port, just plug-and-play
  4. Programmable configuration: Versatile for various applications
  5. 3.3/5V Supply, suitable for many microcontrollers and SBCs

Package Includes:

1 x SeeedStudio Grove Sunlight Sensor

SKU: 1147654 Category: Tags: ,
Wavelength (nm)


Dimensions (LxWxH) mm

140mm x85mm x11mm

Shipping Weight 0.006 kg
Shipping Dimensions 12 × 9 × 1 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China