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HC-SR505 Mini PIR Motion Sensor [HC-SR505] - US $2.20 : HAOYU Electronics : Make Engineers Job Easier
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Robocraze Mini Sensor Kit with PIR, Ultrasonic Sensor, IR Sensor, LDR, Rain Sensor, Sound Sensor, Mq- 2 Gas Sensor, DHT 11, Joystick Module : Amazon.in: Industrial & Scientific
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