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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 TH0 - Immediate$0.82View Details
BUZZER ELECTRO 24V 32X17 FLANGEIE320425-1BUZZER ELECTRO 24V 32X17 FLANGE354 - Immediate$8.58View Details
BUZZER ELECTRO 3V FLANGIE330403-1BUZZER ELECTRO 3V FLANG48 - Immediate$7.57View Details

Audio Amplifier Evaluation Boards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR PAM8302A2130EVAL BOARD FOR PAM8302A0 - Immediate$5.75View Details
EVAL BOARD FOR MAX98357DFR0954EVAL BOARD FOR MAX98357104 - Immediate$7.64View Details
EVAL BOARD FOR PAM8403DFR0119EVAL BOARD FOR PAM8403626 - Immediate$8.59View Details

Evaluation and Demonstration Boards and Kits

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
FX SOUND BOARD WAV/OGG2133FX SOUND BOARD WAV/OGG52 - Immediate$29.05View Details
FX SOUND BOARD 2X2W WAV/OGG 2MB2210FX SOUND BOARD 2X2W WAV/OGG 2MB28 - Immediate$36.33View Details
FX SOUND BOARD 2X2W WAV/OGG 16MB2217FX SOUND BOARD 2X2W WAV/OGG 16MB57 - Immediate$43.61View Details
FX MINI SOUND BOARD WAV/OGG2342FX MINI SOUND BOARD WAV/OGG85 - Immediate$21.77View Details

Expansion Boards, Daughter Cards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
DFPLAYER - A MINI MP3 PLAYERDFR0299DFPLAYER - A MINI MP3 PLAYER2112 - Immediate$8.59View Details
DFROBOT DFPLAYER PRO - A MP3 PLADFR0768DFROBOT DFPLAYER PRO - A MP3 PLA480 - Immediate$12.96View Details

Single Board Computers (SBCs)

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SBC 1.0GHZ 1 CORE 512MB RAMSC0020SBC 1.0GHZ 1 CORE 512MB RAM1223 - Immediate$21.84View Details
SBC 1.0GHZ 1 CORE 512MB RAMSC0065SBC 1.0GHZ 1 CORE 512MB RAM130 - Immediate$23.30View Details
SBC 1.2GHZ 1 CORE 1GB RAMSC0149SBC 1.2GHZ 1 CORE 1GB RAM7400 - Immediate$36.40View Details

Speakers

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SPEAKER 8OHM 1W TOP PORT 90DBSP-3605SPEAKER 8OHM 1W TOP PORT 90DB2896 - Immediate$5.27View Details
SPEAKER 4OHM 2W TOP PORT 100DBCMS-40504N-L152SPEAKER 4OHM 2W TOP PORT 100DB0 - Immediate$7.12View Details
SPEAKER 8OHM 1W TOP PORT 80DBCMS-23558N-L152SPEAKER 8OHM 1W TOP PORT 80DB2578 - Immediate$7.34View Details