Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V to 5V DC |
| Output Type | Digital Switch Output (0 and 1) |
| Comparator IC | LM393 |
| Pin Interface | 3-Pin (VCC, GND, OUT) |
| Detection Component | Photoresistor (LDR) |
| PCB Dimensions | 3cm x 1.4cm |
| Sensitivity Adjustment | Yes, via Potentiometer |
| Indicator LED | Red LED for Output Status |
| Operating Temperature | -20°C to 70°C |
| Compatible Platforms | Arduino, Raspberry Pi, STM32 |
Anonymous
Apr 07, 2026
Rating: 5/5
Perfect for Arduino Projects
Works exactly as described. Easy to calibrate with the potentiometer. I used it for a night light project and it triggers reliably.
Anonymous
Mar 23, 2026
Rating: 5/5
Fast Shipping
Module arrived quickly and was well packaged. Tested and working immediately upon connection to my ESP32.
Anonymous
Mar 22, 2026
Rating: 5/5
Reliable Sensor
Very stable output. Using it for a line follower robot light detection system. No false triggers so far.
Anonymous
Jan 31, 2026
Rating: 4/5
Good but needs tuning
Works well once you adjust the sensitivity. Instructions could be clearer for beginners, but online tutorials help.
Anonymous
Jan 27, 2026
Rating: 5/5
Great Value
Bought five for a home automation project. All working perfectly. The sensitivity adjustment is very responsive.
Q: Does it output analog or digital signals?
A: This module outputs a digital signal (HIGH/LOW). For analog readings, use the photoresistor directly.
Q: Can I use this sensor outdoors?
A: It is not waterproof. We recommend using a protective enclosure for outdoor applications.
Q: What is the effective detection range?
A: Range depends on ambient light and sensitivity setting, typically effective within close proximity.
Q: How much current does the module draw?
A: The module draws approximately 10mA when active, which is safe for most GPIO pins.
Q: Is this compatible with 3.3V logic levels?
A: Yes, it operates between 3.3V and 5V DC, making it suitable for most microcontrollers.
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