Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Detection Type | Through-Beam Infrared |
| Slot Width | 5mm |
| Output Signal | Digital TTL (High/Low) |
| Response Time | < 1ms |
| LED Indicator | Yes (Power & Signal) |
| Mounting Style | PCB Screw Holes |
| Cable Length | 20cm Pre-soldered Wire |
| Operating Temperature | -20°C to +60°C |
| Application | Object Counting, Speed Measurement, Limit Switching |
Anonymous
Mar 27, 2026
Rating: 5/5
Perfect for my conveyor belt project
This sensor module worked flawlessly right out of the box. The detection range is consistent, and the output signal is clean with no bouncing. I used it to count items on a small DIY conveyor, and the accuracy is impressive.
Anonymous
Mar 25, 2026
Rating: 5/5
Exactly as described
The slot size is perfect for detecting standard gears and small objects. The LED indicators make troubleshooting very easy during prototyping. Highly recommended for anyone building counting systems.
Anonymous
Mar 24, 2026
Rating: 4/5
Solid performance
We bought ten of these for our workshop. Nine worked perfectly immediately. One had a slightly loose connection on the VCC pin, but a little re-soldering fixed it. Overall, great bulk buy.
Anonymous
Mar 16, 2026
Rating: 4/5
Good value, easy to interface
Very easy to connect to an Arduino Uno. The pinout is clearly marked. Only giving 4 stars because the included wires are a bit short for some setups, but otherwise, it's a solid component for the price.
Anonymous
Mar 10, 2026
Rating: 5/5
Great for university projects
Bought this for my final year automation project. It integrates perfectly with our PLC setup. The infrared beam is strong enough to ignore ambient light interference in our lab.
Anonymous
Mar 05, 2026
Rating: 5/5
Reliable and fast response
I needed a sensor with a quick response time for a high-speed sorting mechanism. This through-beam sensor handles rapid interruptions without missing a beat. The build quality feels sturdy too.
Q: Does the package include mounting screws?
A: The package includes the sensor module and pre-soldered wires, but mounting screws are not included. The board has standard 3mm holes compatible with common M3 standoffs and screws.
Q: What is the maximum current this module can sink or source?
A: The digital output pin can typically source or sink up to 20mA, which is sufficient for driving most microcontroller inputs or small LEDs directly. For higher loads, please use a transistor or relay.
Q: Can I run this on 12V power?
A: No, the operating voltage is strictly 3.3V to 5V DC. Connecting 12V will likely damage the onboard components. Please ensure you use a regulated 5V supply or a logic-level converter if your system uses higher voltages.
Q: Is there a potentiometer to adjust the sensitivity?
A: No, this specific through-beam model does not have an adjustable potentiometer. It operates at a fixed sensitivity optimized for the 5mm slot width. If you need adjustable sensitivity, please look at our reflective sensor series.
Q: Can this sensor detect transparent objects like glass or clear plastic?
A: While it can detect some transparent materials, through-beam infrared sensors work best with opaque or semi-opaque objects. For highly transparent glass, detection may be inconsistent depending on thickness and refraction.
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