The LS6506R is a pyroelectric infrared (PIR) sensor interface IC that is designed to drive a latching relay. However, the device can be used in a wall-switch configuration (no Neutral available) to ...
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7 smart home devices you can replace with a $5 ESP32 board
Extra sensory production.
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9 reasons I use mmWave sensors in my smart home
You can use mmWave sensors to monitor presence rather than simply detecting motion.
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