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Home / Computer Hardware, Monitors & Peripherals / Light Sensor Module, Photoresistor Module, Light-Induction/Photoelectric Switch, Smart Car Accessories

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 3.3V to 5V DC
Output Signal Digital TTL Level (0 and 1)
Comparator Model LM393 Wide Voltage Comparator
PCB Dimensions 32mm x 14mm
Mounting Hole Size 3mm Diameter
Sensitivity Control Adjustable via Trimmer Potentiometer
Operating Temperature -20°C to +80°C
Power Indicator Red LED Present
Output Indicator Green LED Present
Interface Type 3-Pin PH2.54 Connector

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Great for Arduino

Works perfectly with my Uno board. Very easy to integrate into my smart car project. The sensitivity adjustment is smooth.

A

Anonymous

Apr 01, 2026

Rating: 5/5

Reliable Sensor

Stable output in varying light conditions. The LEDs on the board help debug the status easily.

A

Anonymous

Mar 31, 2026

Rating: 5/5

Smart Car Project

Used this for line following and light tracking. Response time is quick and the voltage range is flexible.

A

Anonymous

Feb 21, 2026

Rating: 4/5

Good value

Sensitivity takes some tweaking to get right for indoor lighting, but once set it is stable. Good price for the quality.

A

Anonymous

Jan 21, 2026

Rating: 3/5

Okay but basic

Does the job but no analog output available on this specific version. Make sure you need digital only before buying.

5 FAQ

Q: Is a library required for Arduino?

A: No library is needed. You can use the standard digitalRead function to read the sensor state.

Q: Is there an analog output pin available?

A: No, this specific module provides a digital TTL output only. Please check our analog sensor series if you need variable voltage output.

Q: Does this work with 3.3V logic systems like ESP32?

A: Yes, the operating voltage range is 3.3V to 5V, so it is fully compatible with ESP32 and similar boards.

Q: What is the typical current consumption?

A: The module typically consumes around 15mA when active. It is suitable for battery-powered projects.

Q: Can it detect direct sunlight without damage?

A: Yes, the photoresistor is designed to handle ambient light variations including sunlight. Adjust the potentiometer for best results.

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