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Minikits > MK120 IR Beam Break Detector
| Model: MK120 IR Beam Break Detector | Manufacturer: Velleman |
| Create an infra red â??virtual barrierâ?? with this interesting minikit. The transmitter emits a beam of infra red light which is picked up by the matching receiver. If the beam is broken (i.e. by someone walking through it) the receiver sounds an a | |
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