When the beam is broken a relay is tripped which can be used to sound a bell or alarm.
Infrared beam sensor kit.
The genie safe t beam system is designed to ensure maximum safety for your garage door opener operation.
Door minder infrared beam sensor kit ck1620.
Infrared security beam kit uk.
Htzsafe solar wireless outdoor photoelectric 3 beam sensor waterproof ip66 wireless transmission range up to 1 2 mile infrared detection range up to 300 feet 4 7 out of 5 stars 17 99 99 99.
Bafx products infrared ir remote control extender or ir repeater kit control 1 to 8 devices expandable to 12 4 6 out of 5 stars 3 120.
Electronics 26 99 26.
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.
2168 infrared ir break beam sensors are a simple way to detect motion.
Suitable for detecting customers entering a shop cars coming up a driveway etc.
Adafruit industries unique fun diy electronics and kits ir break beam sensor 5mm leds id.
Camera 32 99 32.
3 9 out of 5 stars 22.
This replacement garage door safety sensor kit uses an invisible infrared beam across the opening of the door the system detects any object passing through the led beam of light and automatically reverses the closing garage door.
Dakota alert bba 4000 solar powered break beam alarm kit bbt 4000 infrared wireless transmitter and dcr 4000 driveway alarm receiver up to 1 mile operating range 4 1 out of 5 stars 11 299 99 299.
Laser security system protect your home like a top secret alarm supplies ltd ir break beam sensor 3mm leds id 2167 1 95 adafruit cing travel portable mini pir infrared motion sensor detector alarm 120db wireless home security systems anti theft fire intruder alarm systems archives cctv security.
This door minder infrared beam sensor kit uses an infrared beam to monitor door passage ways or any other area.
Waterproof triple beam alarm photoelectric infrared led detector security system home security alarm infrared detector sensor abe 100 4 6 out of 5 stars 3 55 99 55.
Yohii dual alarm beam sensor indoor 300m outdoor 100m infrared detector.