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Making Sound Reactive Projects - Electronics with Becky Stern | DigiKey

Let’s explore sound-reactive electronics– projects that can sense and respond to sound. In this video, @BeckyStern shares many ways to sense audio, from basic vibration to voice recognition, so that you can pick the right path for your project.

[link to maker.io article]

She reviews audio sensors and includes information about piezos and microphones that can be used to sense audio data, talks about the MSGEQ7 graphic equalizer chip that helps process it, and then shares how to incorporate the data into projects that are a spectacle of interactive audio.

Blog post link
2/5/2026 9:50:15 PM

Part List

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR MAX44661063EVAL BOARD FOR MAX446641 - Immediate$43.92View Details
GRAVITY VOICE RECOGNITION SENSORSEN0539-ENGRAVITY VOICE RECOGNITION SENSOR124 - Immediate$106.81View Details
AUDIO ANALYZERDFR0126AUDIO ANALYZER21 - Immediate$114.08View Details
MINI USB MICROPHONE COMPATIBLE W114992002MINI USB MICROPHONE COMPATIBLE W383 - Immediate$30.97View Details
BUZZER ELEMENT STD 4.6KHZ 27MMAB2746B-LW100-RBUZZER ELEMENT STD 4.6KHZ 27MM0 - Immediate$12.96View Details

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