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Amazon.com: CQRobot Ocean: 10.525GHz Doppler Effect Microwave Motion Sensor Compatible with Raspberry Pi and Arduino Board. for Industrial, Measurement, Automatic Doors, Sensor Lights, Reversing Radar, etc. : Electronics
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Raspberry basics: Project 22a Raspberry PI Zero W board - PIR sensor, email notification at Acoptex.com / ACOPTEX.COM
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