Sound to Light Color Shield for OLEDUINO v2

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https://www.electronics-lab.com/project/sound-to-light-color-shield-for-oleduino-v2/

Sound-to-Light Shield: OLEDUINO-V2 audio pre-amp & rectifier. Converts sound to DC pulses for NeoPixel RGB LED control.

Sound to RC Servo Driver v2.0 – Arduino Compatible

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https://www.electronics-lab.com/project/sound-to-rc-servo-driver-v2-0-arduino-compatible/

The project presented here is made for applications such as Animatronics, Puppeteer, sound-responsive toys, and robotics. The Arduino compatible board consists of LM358 OPAMP, ATMEGA328 microcontroller, microphone, and other components. The project moves the RC servo once receives any kind of sound.  The rotation angle depends on the sound level, the higher the sound level […]