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Door/Window Alarm GPIO Project Kit for Raspberry Pi. Includes breadboard, magnetic reed switch door sensor, three metres of bell wire, resistors & connection wires to Pi. Also includes easy-to-follow PDF manual &
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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. : Industrial & Scientific
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