Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | Infrared Reflective |
| Detection Range | 4cm to 15cm |
| Output Type | Analog Voltage |
| Operating Voltage | 4.5V to 5.5V DC |
| Supply Current | 33mA (Typical) |
| Response Time | 38ms + 2.4ms |
| Peak Emission Wavelength | 870nm |
| Connector Type | 6-Pin JST PH |
| Dimensions | 29.5 x 13.0 x 13.5 mm |
| Compatible MCU | Arduino, STM32, ESP32, 51 Series |
Anonymous
Mar 21, 2026
Rating: 5/5
Classic sensor, still relevant
The GP2Y series is a classic for a reason. It's not the newest tech, but for simple distance detection without complex calibration, this analog module beats many digital alternatives in terms of ease of use.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for small robotics projects
This sensor works exactly as described. The analog output is smooth and easy to read with an Arduino ADC. I used it for a line-following robot and the 15cm range is ideal for obstacle avoidance.
Anonymous
Mar 17, 2026
Rating: 5/5
Easy to integrate
I am using this with an STM32 board. The voltage curve is non-linear as expected for IR sensors, but mapping the values in code was straightforward. Shipping was fast and packaging was secure.
Anonymous
Mar 12, 2026
Rating: 4/5
Works well within specified range
Don't expect it to work beyond 15cm; the signal drops off sharply. However, within the 4-15cm window, the resolution is quite good. Perfect for detecting hand gestures or close proximity.
Anonymous
Mar 12, 2026
Rating: 4/5
Good value but sensitive to ambient light
Great little module for the price. Just note that direct sunlight can interfere with readings. I had to add a small shroud around the sensor for outdoor use, but indoors it performs flawlessly.
Anonymous
Mar 11, 2026
Rating: 5/5
Reliable for educational kits
We bought ten of these for our university lab. All units tested within spec. The build quality is solid, and the JST connector makes it easy to swap out during student experiments.
Q: What is the minimum operating voltage?
A: The module operates reliably between 4.5V and 5.5V. We recommend powering it with a stable 5V source to ensure accurate distance measurements.
Q: Can this sensor detect black objects effectively?
A: Infrared sensors rely on reflection, so very dark or black objects may absorb the IR light and result in weaker readings. It works best on lighter surfaces, but can still detect black objects at closer ranges.
Q: Does this come with connecting wires?
A: Yes, the package includes a 6-pin JST PH cable compatible with standard breakout boards and microcontrollers.
Q: Is there a library available for Arduino?
A: Since this is an analog output sensor, you do not need a specific driver library. You simply read the pin using analogRead() and map the values to distance based on your calibration.
Q: Can I use two of these side-by-side without interference?
A: Placing two identical IR sensors immediately next to each other may cause cross-talk. We recommend staggering their operation times in your code or placing a physical barrier between them.
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