📢 DIY Mini Megaphone | Simple Voice Amplifier Circuit
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YouTubeMW Electronics Lab
📢 DIY Mini Megaphone | Simple Voice Amplifier Circuit
🔊 DIY Mini Megaphone Using Mic and Amplifier | Simple Voice Amplifier Circuit In this video, I made a simple and powerful mini megaphone circuit using a microphone, HW-104 amplifier module, speaker, and 3.7V battery. This circuit amplifies weak microphone signals and outputs loud and clear sound through the speaker. It is perfect for ...
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