This is an Infrared beam breaking alarm ideal to use in entry or passages.It is based on the working of the popular IR sensor Module TSOP 1738 which senses 38 kHz Infrared pulses from the IR LED of ...
The BBA-4000 is a solar powered wireless infrared break beam system that is simple to install and requires no wiring. The break beam sensors are powered by lithium ion batteries that are recharged ...
OPTEK’s comprehensive range of miniature smt IR LEDs and phototransistors is now fully available from Pacer. OP2xx IR LEDs include high power, narrow beam and wide beam versions. OP5xx silicon ...