I’ve been building ESP32-based smart home devices using cheap sensors for the past few months. My drawer is filled with ESP32 boards, PIR modules, temperature sensors, sound sensors, light sensors, ...
It's easy to spend $30 on a single-purpose Zigbee motion sensor or even $60 on smart air quality monitors, while a far more powerful device just sits in your junk drawer. A standard ESP32-based IoT ...
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