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Light Sensor

LIGHT SENSOR

Detect changing light levels.

Use a light-sensor module with analog output and an adjustable digital threshold. The LM393 comparator supports simple bright/dark switching in controller projects.

Before you order: Match power, signal levels and the connector pinout to your host before connecting the module.

Light Sensor — product view

Features

  • LM393 comparators
  • Potentiometer to adjust the comparison level
Input voltage 3.3~5V
Output 0/1 or analog
Size 32mmx41mm

Pinout & connections

Pin Name Description
1 VCC Power input, 3.3/5V
2 GND Ground
3 DO Digital output, HIGH/LOW
4 AO Analog Output

Getting started

  1. Confirm the power, ground and signal pinout.
  2. Connect to a suitable input or bus on your controller.
  3. Read a basic sample and check its response in the intended environment.

Frequently asked questions

Can I use the reading directly in my application?

Check the response with your host and the conditions where it will be used. Analog signals and threshold outputs require different processing from digital measurements.

Bulk orders & project enquiries

Need multiple units or a specific configuration? Send your quantity, project requirements and target delivery date so we can review your request.

Discuss your requirements

For order questions, email info@longan-labs.cc. For technical support, email support@longan-labs.cc.

Longan Labs

Light Sensor

SKU: 2030009

$3.29

Shipping calculated at checkout.

In stock

Fast and reliable delivery
12-month warranty

LIGHT SENSOR

Detect changing light levels.

Use a light-sensor module with analog output and an adjustable digital threshold. The LM393 comparator supports simple bright/dark switching in controller projects.

Before you order: Match power, signal levels and the connector pinout to your host before connecting the module.

Light Sensor — product view

Features

  • LM393 comparators
  • Potentiometer to adjust the comparison level
Input voltage 3.3~5V
Output 0/1 or analog
Size 32mmx41mm

Pinout & connections

Pin Name Description
1 VCC Power input, 3.3/5V
2 GND Ground
3 DO Digital output, HIGH/LOW
4 AO Analog Output

Getting started

  1. Confirm the power, ground and signal pinout.
  2. Connect to a suitable input or bus on your controller.
  3. Read a basic sample and check its response in the intended environment.

Frequently asked questions

Can I use the reading directly in my application?

Check the response with your host and the conditions where it will be used. Analog signals and threshold outputs require different processing from digital measurements.

Bulk orders & project enquiries

Need multiple units or a specific configuration? Send your quantity, project requirements and target delivery date so we can review your request.

Discuss your requirements

For order questions, email info@longan-labs.cc. For technical support, email support@longan-labs.cc.