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How to DIY Voice‑Controlled Smart Home with Arduino and Alexa?
Two winters ago a typhoon flicked the lights off in our Dongguan lab just as I whispered, “Alexa, turn on the backup lamp.” A tiny relay on an Arduino ESP8266 clicked, the light obeyed, and my crew let out a relieved laugh. That five‑second trick convinced me that voice control isn’t science fiction; it’s a […]