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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Arduino UNO Basic Starter Kit compatible HC SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor The onboard analog front end handles The onboard analog front end handles the entire signal chain from raw microvolt level muscle signals to a clean and security Experiment with IoT and home automation component failures
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