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Add Infrared Detection to Your Next Project
The IR Speed Sensor Module Based on LM393 is an infrared proximity sensor with digital output designed for light logging, optical switching, line tracking, and brightness-aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Interface: Digital GPIO.
Why you’ll love it
- Key feature: LM393 Comparator onboard to give digital output
- Low power requirement: Low power requirement
- Compact size and easy integration.: Compact size and easy integration.
- Useful spec: It can be used to detect the rotation or speed of robot wheels or joints.
- Easy wiring: Digital GPIO
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| IR Speed Sensor Module Based on LM393 | infrared proximity sensor with digital output | Current item |
| Photoelectric Counter IR LM393 | infrared proximity sensor | model LM393 |
| Line Tracking Sensor Module for Arduino TCRT5000 LM393 | line tracking sensor | infrared sensing |
| Optical Encoder Speed Sensor 2 Channel Module for 2WD Smart Car Tachometer | rotation sensor | model 2WD |
What you can build
This sensor is a good fit for automatic brightness control, line followers, light meters, UV monitors, flame detection, and optical encoders.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include a microcontroller board, jumper wires, and pull-up or pull-down support when needed, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | IR Speed Sensor Module Based on LM393 |
|---|---|
| Robotics | It can be used to detect the rotation or speed of robot wheels or joints. |
| RPM measurement | It can be used to measure the rotational speed of objects like fans, wheels, or shafts. |
| Object detection | It can be used as a proximity sensor to detect the presence or absence of objects based on their reflective properties. |
| Motor speed control | It can be used to measure the speed of motors and adjust their operation accordingly. |
| Conveyor belt monitoring | It can be used to monitor the speed of conveyor belts in industrial settings. |
| Interface | Digital GPIO |
| Category | optical light imaging photon sensors |
Wiring & usage notes
Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code.
What’s in the box
1 × IR Speed Sensor Module Based on LM393
Frequently Asked Questions
What does the IR Speed Sensor Module Based on LM393 measure?
It is designed to measure sensor data for embedded projects.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor?
This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
What affects accuracy?
Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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