Anonymous
Apr 14, 2026
Rating: 4/5
Good sensitivity
Works well but requires careful calibration of the potentiometer.
Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Working Voltage | 3.3V - 5V DC |
| Detection Distance | 1mm - 8mm (Adjustable) |
| Output Signal | Digital Switching (0 and 1) |
| Comparator IC | LM393 Wide Voltage Comparator |
| PCB Size | 32mm x 14mm x 5mm |
| Operating Temperature | -25°C to +70°C |
| Power Indicator | Red Power LED |
| Sensitivity Control | Blue Potentiometer |
| Mounting Hole Size | 3mm Diameter |
| Interface Type | 4-Pin Header (VCC, GND, DO, AO) |
Anonymous
Apr 14, 2026
Rating: 4/5
Good sensitivity
Works well but requires careful calibration of the potentiometer.
Anonymous
Feb 18, 2026
Rating: 5/5
Easy to interface
Connected easily to my ESP32. Clear signal output.
Anonymous
Feb 13, 2026
Rating: 5/5
Fast delivery
Modules arrived quickly and were well packaged. All tested working.
Anonymous
Feb 09, 2026
Rating: 3/5
Average performance
Works okay indoors. Struggles a bit in bright ambient light.
Anonymous
Feb 06, 2026
Rating: 5/5
Great for line followers
Used these for a school project. Very reliable detection on black tape.
Q: How do I adjust the range?
A: Use the blue potentiometer on the board with a small screwdriver.
Q: Is this compatible with Raspberry Pi?
A: Yes, as long as you match the voltage levels to 3.3V logic.
Q: Does it come with jumper wires?
A: No, the module is sold separately without additional cables.
Q: What is the current consumption?
A: Typically around 10mA to 20mA depending on the LED intensity.
Q: Can I use this for water level detection?
A: No, this is an infrared reflective sensor designed for solid objects.