Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Detection Range | 1mm - 25mm |
| Output Signal | Digital TTL |
| Comparator IC | LM393 |
| PCB Length | 32mm |
| PCB Width | 14mm |
| Mounting Hole Diameter | 3mm |
| Power Indicator | Red LED |
| Output Indicator | Green LED |
| Connection Interface | 4-Pin Header |
Anonymous
Apr 02, 2026
Rating: 4/5
Good value sensor
Solid build quality. Detection range is decent but depends on ambient light. Make sure to test indoors first.
Anonymous
Feb 10, 2026
Rating: 3/5
Sensitivity varies
One module was a bit less sensitive than the others. Still usable after tweaking the pot. Shipping was fast.
Anonymous
Feb 06, 2026
Rating: 5/5
Great for line following
Bought 5 of these for a school project. All worked perfectly. The output is clean and easy to read.
Anonymous
Feb 02, 2026
Rating: 5/5
Reliable IR Sensor
Using this for obstacle avoidance as well. Works well on dark surfaces. Very compact size.
Anonymous
Jan 21, 2026
Rating: 5/5
Perfect for Arduino
Works flawlessly with my Arduino Uno. Calibration was easy using the potentiometer. Highly recommend for beginners.
Q: Can this run on 3.3V logic?
A: Yes, the module supports 3.3V to 5V operating voltage.
Q: How do I adjust the detection range?
A: Use the blue potentiometer on the board to tune sensitivity.
Q: Is this compatible with Raspberry Pi?
A: Yes, as long as you connect the digital output to a GPIO pin.
Q: Does it work in sunlight?
A: Infrared sensors can be affected by strong sunlight. Indoor use is recommended.
Q: How many pins does it have?
A: It has 4 pins: VCC, GND, DO (Digital Out), and AO (Analog Out).
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