Ultrasonic Movement Detector 1 (Kit)

28.10 28.10 28.1 USD

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Quantity on Hand : 3
Skill Level : Kit - Basic Soldering Required

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Matched 40 kHz transmitter/receiver pair of transducers detects movement at over 23 feet. Separate PCB for mounting the active units. Latch/reset PCB-mounted switch on board. Sensitivity control. 9V battery operation. Transmitter is crystal- locked at 40kHz for maximum efficiency. Main PC board size 2.8in x 1.9in (71mm x 50mm) Small PC board size 2.8in x .5in (71mm x 11mm) Click links for: