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3 State Octal Bus Transceiver IC 74HC245 LDR 5mm Metal Housing (Pack of 5) Detect human movement reliably with Detect human movement reliably with the HC SR501 Passive Infrared (PIR) Motion Sensor the industry standard module for security systems Robotics and IoT training programs and digital logic applications requiring reliable bus buffering and isolation OE (Pin 19) Output Enable A1 A8 (Pins 2 9
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