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Sound Generation and Musical Microcontrollers - Electronics with Becky Stern | DigiKey

In this video, @BeckyStern explores sound generation and musical microcontrollers. Whether you’re building a talking robot or your own DIY synthesizer, this episode will help you choose the right parts for adding audio to your projects.

In past episodes of the Electronics with Becky Stern YouTube series, Becky covered topics like addressable LEDs and microcontroller selection. This video builds on those skills but instead uses piezos, speakers, audio playback modules to craft interactive audio.

3/20/2026 7:19:08 PM

Alarms, Buzzers, and Sirens

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
BUZZER PIEZO 3V 12.2MM THPS1240P02BTBUZZER PIEZO 3V 12.2MM TH2679 - Immediate$4.69View Details
BUZZER ELECTRO 24V 32X17 FLANGEIE320425-1BUZZER ELECTRO 24V 32X17 FLANGE374 - Immediate$48.42View Details
BUZZER ELECTRO 3V FLANGIE330403-1BUZZER ELECTRO 3V FLANG49 - Immediate$42.75View Details

Audio Amplifier Evaluation Boards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR PAM8302A2130EVAL BOARD FOR PAM8302A0 - Immediate$32.47View Details
EVAL BOARD FOR MAX98357DFR0954EVAL BOARD FOR MAX98357104 - Immediate$43.16View Details
EVAL BOARD FOR PAM8403DFR0119EVAL BOARD FOR PAM8403629 - Immediate$48.51View Details

Evaluation and Demonstration Boards and Kits

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
FX SOUND BOARD WAV/OGG2133FX SOUND BOARD WAV/OGG52 - Immediate$164.02View Details
FX SOUND BOARD 2X2W WAV/OGG 2MB2210FX SOUND BOARD 2X2W WAV/OGG 2MB28 - Immediate$205.13View Details
FX SOUND BOARD 2X2W WAV/OGG 16MB2217FX SOUND BOARD 2X2W WAV/OGG 16MB60 - Immediate$246.23View Details
FX MINI SOUND BOARD WAV/OGG2342FX MINI SOUND BOARD WAV/OGG87 - Immediate$122.91View Details

Expansion Boards, Daughter Cards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
DFPLAYER - A MINI MP3 PLAYERDFR0299DFPLAYER - A MINI MP3 PLAYER3010 - Immediate$48.51View Details
DFROBOT DFPLAYER PRO - A MP3 PLADFR0768DFROBOT DFPLAYER PRO - A MP3 PLA484 - Immediate$73.17View Details

Single Board Computers (SBCs)

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SBC 1.0GHZ 1 CORE 512MB RAMSC0020SBC 1.0GHZ 1 CORE 512MB RAM2121 - Immediate$123.32View Details
SBC 1.0GHZ 1 CORE 512MB RAMSC0065SBC 1.0GHZ 1 CORE 512MB RAM0 - Immediate$131.54View Details
SBC 1.2GHZ 1 CORE 1GB RAMSC0149SBC 1.2GHZ 1 CORE 1GB RAM7408 - Immediate$205.54View Details

Speakers

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SPEAKER 8OHM 1W TOP PORT 90DBSP-3605SPEAKER 8OHM 1W TOP PORT 90DB2877 - Immediate$29.76View Details
SPEAKER 4OHM 2W TOP PORT 100DBCMS-40504N-L152SPEAKER 4OHM 2W TOP PORT 100DB1613 - Immediate$40.20View Details
SPEAKER 8OHM 1W TOP PORT 80DBCMS-23558N-L152SPEAKER 8OHM 1W TOP PORT 80DB2682 - Immediate$41.44View Details