Unverified50% confidenceSolutionExact time

DIY项目中常见基于音频振幅的简化方案：振幅超过阈值时触发嘴部张开，通过 Arduino 或树莓派的 PWM 信号驱动舵机

1

Sources

50%

Confidence

Long-term

Relevance

7/16/2026

First Seen

Sources

BillAI Bass: A Complete Guide to Rebuilding a Classic Novelty Toy with an AI Agent

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UnverifiedDIY项目中常见基于音频振幅（RMS幅度）的口型同步方案，对音频流按20-50毫秒窗口计算均方根幅度，超过阈值则驱动舵机张嘴78% similar UnverifiedBy applying PWM signals of different frequencies to a buzzer, different musical notes can be simulated, allowing a complete melody to be played.75% similar

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