A
Anonymous
Apr 09, 2026
Rating: 3/5
Decent but sensitive
Takes some time to calibrate the potentiometer correctly. Otherwise okay for basic use.
Description
Smart Car Accessories: Photoelectric Switch
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Working Voltage | 3.3V - 5V DC |
| Output Signal | Digital Switching Output (0 and 1) |
| Comparator Chip | LM393 Wide Voltage Comparator |
| Sensitivity Adjustment | Adjustable via Blue Potentiometer |
| PCB Dimensions | 32mm x 14mm x 5mm |
| Mounting Hole Size | 3mm Diameter |
| Operating Temperature | -20°C to 85°C |
| Interface Type | 3-Pin PH2.54 Connector |
| Status Indicator | Red Power LED & Green Output LED |
| Package Content | 1 x Photoresistor Sensor Module |
5 reviews
A
Anonymous
Apr 03, 2026
Rating: 5/5
Reliable sensor
Bought five for a smart car chassis. All working perfectly without issues.
A
Anonymous
Mar 02, 2026
Rating: 5/5
Great for light tracking
Used this for a solar tracker project. Response time is quick and consistent.
A
Anonymous
Feb 20, 2026
Rating: 4/5
Good value
Solid module for the price. Pins were slightly bent upon arrival but easy to fix.
A
Anonymous
Jan 30, 2026
Rating: 5/5
Perfect for Arduino Robot
Works exactly as described. Sensitivity adjustment is smooth and easy to calibrate for my project.
5 FAQ
Q: What is the detection range?
A: It depends on light intensity, typically effective within 10-20cm for strong sources.
Q: Are headers included?
A: Yes, standard 3-pin headers are soldered onto the board.
Q: Can it detect laser pointers?
A: Yes, it responds to visible light changes including lasers.
Q: Does this work with 3.3V logic?
A: Yes, it operates comfortably between 3.3V and 5V.
Q: Is the output analog or digital?
A: This module provides a digital output. For analog, read the LDR directly.
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