A
Anonymous
Mar 29, 2026
Rating: 4/5
Solid Build Quality
PCB is sturdy, works as expected. Wish the cable was a bit longer for my enclosure.
Description
Through-Beam Photoelectric Infrared Counter Sensor with Slot-Type Optocoupler
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Detection Mode | Through-Beam Infrared |
| Operating Voltage | 3.3V to 5V DC |
| Output Signal | Digital TTL (High/Low) |
| Slot Width | 5mm ± 0.5mm |
| Response Frequency | Up to 10kHz |
| Current Consumption | 15mA Typical |
| LED Indicator | Power and Signal Status |
| PCB Dimensions | 32mm x 14mm |
| Mounting Hole | 3mm Diameter |
| Compatibility | Arduino, Raspberry Pi, PLC |
5 reviews
A
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for RPM Measurement
Used this to measure motor speed on a DIY lathe. Very stable readings and easy to calibrate.
A
Anonymous
Mar 05, 2026
Rating: 5/5
Easy Arduino Integration
Plug and play basically. Used digitalRead pin and it worked instantly with my Uno board.
A
Anonymous
Feb 13, 2026
Rating: 4/5
Good Value Sensor
Works well but alignment is key. Make sure the slot is clear of dust for best performance.
A
Anonymous
Feb 08, 2026
Rating: 5/5
Reliable Counting Module
Counting items on a small conveyor belt without any issues. Great for automation projects.
5 FAQ
Q: Does it output analog or digital signals?
A: It outputs a digital TTL signal indicating beam interruption.
Q: Can this work with 3.3V logic systems?
A: Yes, it operates comfortably between 3.3V and 5V DC.
Q: Can I use this sensor outdoors?
A: Indoor use is recommended to avoid sunlight interference with the infrared beam.
Q: Is there a specific library required for this sensor?
A: No, standard digital input reading functions work fine.
Q: What is the maximum object thickness it can detect?
A: Any object that fits within the 5mm slot width can be detected.
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