Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital Switch Output (TTL) |
| Detection Range | Visible Light Spectrum |
| PCB Size | 32mm x 14mm |
| Comparator Model | LM393 |
| Potentiometer | Adjustable Sensitivity |
| Indicator LED | Power and Output Status |
| Mounting Hole | 3mm Diameter |
| Operating Temperature | -10°C to 50°C |
| Package Includes | 1 x Photodiode Module |
Anonymous
Mar 29, 2026
Rating: 3/5
Instructions could be better
The hardware works fine, but the pinout was not clearly marked on the board itself. Had to look up the datasheet to confirm VCC and GND.
Anonymous
Mar 19, 2026
Rating: 5/5
Perfect for night light circuit
Very stable performance. I have been running this for a week straight without any false triggers. Compact size fits well in my enclosure.
Anonymous
Mar 17, 2026
Rating: 5/5
Great for Arduino projects
Works perfectly with my microcontroller setup. The sensitivity adjustment is very responsive and easy to calibrate using the onboard potentiometer.
Anonymous
Feb 07, 2026
Rating: 5/5
Exactly as described
Fast detection and clean digital signal. I used this for a automatic night light project and it switches reliably at dusk.
Anonymous
Jan 30, 2026
Rating: 4/5
Sensitive but needs tuning
Good module overall. It took some time to get the threshold right for my specific lighting conditions, but once set, it remains stable.
Q: Is the output signal analog or digital?
A: This module provides a digital switch output (TTL level). It goes high or low depending on the light intensity threshold you set.
Q: Can this module handle 12V input?
A: No, the operating voltage is strictly 3.3V to 5V DC. Connecting 12V may damage the comparator chip and the photodiode.
Q: Does the potentiometer adjust sensitivity or threshold?
A: The potentiometer adjusts the detection threshold. Turning it changes the light intensity level required to trigger the output switch.
Q: What is the pinout configuration?
A: The pins are typically labeled VCC, GND, and OUT. Please check the silkscreen on the board for exact positioning.
Q: Is this suitable for outdoor use?
A: The PCB itself is not waterproof. We recommend housing it in a weatherproof enclosure if used outdoors.
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