hi...i need to get infrared barrier beam sensors,for a college project, with a range of a few meters. when the beam is broken an rf signal is sent to a rf reciever which causes an interrupt on a lpc935 controller...it is a speed gate project... the longer range on the rf transmitter/reciever the better..100m+ desirable...i would like to use a kit if possible as it would be more reliable. intended for outdoor use...i would really appreciate any feed back and help..thanks
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