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The Best Ir Break Beam Sensor of 2023 – Reviewed and Top Rated
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- High sensitivity, with fast and stable response speed
- Faster than a PIR sensor for better control over where you want to detect motion
- Output mode: NPN normally open, response time: 2ms
- The sensor can be powered by a voltage of DC 3 ~5 V. It can be used with Arduino for some simple motion detection, speed detection, timing, etc. in smart robot competitions.
- Applicable models: relay, K60, PLC, 51 microcontroller, STM32, arduino, etc.
- This is the 3mm IR version. It works up to 25cm / 10"
- 3.3V or 5V, but 5V will get you better range and is what we suggest
- Skill Level: Assembled and Tested
- 【IR Break Beam Sensor】is the abbreviation of photoelectric proximity switch, which uses the beam of light of the detected object Occlusion or reflection is controlled by a synchronous circuit to detect the presence or absence of objects. Objects are not limited to metals,All reflective objects can be detected, with high sensitivity, fast response speed and good stability Faster than PIR sensors for better control of where you want to detect motion
- 【Sensor parameters】Detection distance: 1M, sensing mode: light speed interruption (infrared), working voltage: DC5V, working current: emission (20mA) reception (10mA), output current: 70mA (can directly drive the relay), emission angle: < 5 °, receiving angle: < 10 °, working temperature: -10 ° C~ 60 ° C, working environment: indoor (not waterproof),Working life: 50,000 hours
- 【Output mode】NPN normally open, response time: 2ms
- 【Note】That is, the red wire is connected to the positive electrode, the black wire is grounded, and the yellow (white) wire is connected to the signal. Add 1K pull-up resistor between the positive electrode and the signal to directly connect to the microcontroller I0 port
- 【After-sales service and applicable models】if you have any questions about the product, please contact us, we are 24 hours online, we will be the first time for you to solve the problem, looking forward to your visit, suitable for relays, K60, PLC, 51 microcontroller, STM32, for arduino and so on
- 💎【IR Infrared Sensor】：Widely Used Robot obstacle avoidance, obstacle avoidance car, assembly line counting and black and white line tracking and many other occasions.
- ⚡【Operating Voltage】：3.3-5V (3.3V Recommended)
- 🥇【Detection angle】：35°
- 🥈【Detection Distance】：2～30cm
- 🥉【Adjustable potentiometer】：Adjust clockwise to increase the detection distance; adjust the potentiometer counterclockwise to decrease the detection distance.
- 【IR Break Beam Sensor】is the abbreviation of photoelectric proximity switch, which uses the beam of light of the detected object Occlusion or reflection is controlled by a synchronous circuit to detect the presence or absence of objects. Objects are not limited to metals,All reflective objects can be detected, with high sensitivity, fast response speed and good stability Faster than PIR sensors for better control of where you want to detect motion
- 【Sensor parameters】Detection distance: 1M, sensing mode: light speed interruption (infrared), working voltage: DC5V, working current: emission (20mA) reception (10mA), output current: 70mA (can directly drive the relay), emission angle: < 5 °, receiving angle: < 10 °, working temperature: -10 ° C~ 60 ° C, working environment: indoor (not waterproof),Working life: 50,000 hours
- 【Output mode】NPN normally open, response time: 2ms
- 【Note】That is, the red wire is connected to the positive electrode, the black wire is grounded, and the yellow (white) wire is connected to the signal. Add 1K pull-up resistor between the positive electrode and the signal to directly connect to the microcontroller I0 port
- 【After-sales service and applicable models】if you have any questions about the product, please contact us, we are 24 hours online, we will be the first time for you to solve the problem, looking forward to your visit, suitable for relays, K60, PLC, 51 microcontroller, STM32, for arduino and so on
Last update on 2025-07-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: How does an infrared break beam sensor work?
A: Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to that same light.
Q: Why are IR breakbeams better than PIR sensors?
A: When something passes between the two, and its not transparent to IR, then the ‘beam is broken’ and the receiver will let you know. Compared to PIR sensors, breakbeams are faster and allow better control of where you want to detect the motion. Compared to Sonar modules, they’re less expensive.
Q: How does a beam of IR light work?
A: They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to that same light. When something passes between the two, and its not transparent to IR, then the ‘beam is broken’ and the receiver will let you know.
Q: How to read a break beam sensor from CircuitPython?
A: It’s easy to read a break beam sensor from CircuitPython code using built-in digital input/output capabilities. First wire up a break beam transmitter and receiver just like you would for an Arduino. Here’s an example of wiring to a Feather M0: