I use a Relay module connected to Raspberry's GPIO pins. Using speech recognition to translate speech to text.
Based on the text result, turn On/Off the light or fan ...
You also can control whatever you want, such as opening a website, triggering a camera, opening a photo, opening a youtube video ...

Hardware used in this video:
Relay module: https://tinyurl.com/y782gvyv
7 " LCD with touch: https://tinyurl.com/y888ocap
Raspberry pi4 8G RAM: https://tinyurl.com/yda9jrlt.
USB Audio: https://tinyurl.com/yasmojpw
Microphone: https://tinyurl.com/y8z2dk8r
Speaker: https://tinyurl.com/y9bgz7ob

Code: https://github.com/quangthanh010290/v...

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